Abstract: A method of biostimulating phototherapy is provided. The method comprises illuminating a subject's body portion with light having a first wavelength in the range of 600-900 nm. The method further comprises the step of at least one of reducing and preventing hyperthermia of the body portion by illuminating the body portion with light having a second wavelength which is at least one of in the range of 400-600 nm and in the range of 900-2500 nm. Further, a phototherapy device is provided which comprises a first light source and a second light source. The first light source is configured to emit light having a first wavelength which is in the range of 600-900 nm. The second light source is configured to emit light having a second wavelength which is at least one of in the range of 400-600 nm and in the range of 900-2500 nm. At least a portion of the device is a patch which is formed for conforming to at least part of the body portion.

Abstract: A method and device for treating an infection of the nail or nail bed and adjacent tissues through non-thermal means is described. The device illuminates an area with light in the near-infrared region of the electromagnetic spectrum. Preferably, light having wavelengths of from about 870 nm to about 930 nm will be used. Further, the device includes light emitting diodes that are capable of emitting ultraviolet light. These lights are intended to provide a sterile environment for a user using the device.

Abstract: Systems and methods for rotating shield brachytherapy. In an aspect, some of the systems and methods can be used to facilitate shield selection for use in rotating shield brachytherapy. In an aspect, the invention is a shielded needle or catheter system with a rotational controller for delivering radioisotope-based interstitial rotating shield brachytherapy (I-RSBT). In an aspect, the catheter system can utilize paddle-based RSBT. Further provided are methods and systems for helical RSBT.

Abstract: In order to provide radiation dose estimation during a treatment, one or more characteristics of the patient are used. A camera captures the patient so that the characteristics (e.g., organ position) may be derived. Radiation exposure and/or absorption are determined from the characteristics. A Monte Carlo, machine-learnt, or other model estimates the dosage for different locations in the patient. During the treatment, the dosage may be presented as a warning when exceeding a threshold or other visualization.

Abstract: The present disclosure relates to a particle therapy system for irradiating a target with a scanning beam technique. In one implementation, the system includes an irradiation planning device with a planning algorithm configured to associate a particle beam energy E(i) to each spot of the irradiation plan and organize the spots in a sequence of spots according to energy. The system may further include a control system configured for controlling in parallel, from spot to spot, a variation of an output energy of a beam generator, a variation of a magnetic field of one or more electromagnets of a beam transport system and a variation of a magnetic field of the scanning magnet.

Abstract: The invention relates to a system for performing a therapeutic procedure like a HDR brachytherapy. An elongate introduction element is introduced into a body (2), a temperature is determined along the introduction element, and it is determined which part of the introduction element is within the body based on the determined temperature. A therapeutic procedure is performed by using the introduction element depending on the determination which part of the introduction element is within the body (2). This can ensure that the therapeutic procedure is only performed within the body, thereby reducing the likelihood of involuntary affecting, for instance, a patient's outer skin, especially by ionizing radiation which may be used during a HDR brachytherapy.

Abstract: Disclosed is a method of determining information regarding the location of energy deposition of an ion beam, in particular a proton beam, in an absorptive medium, in particular in the tissue of a patient undergoing radiation therapy, comprising the following steps: generating an intensity modulated ion beam, wherein the intensity modulation comprises one or more modulation frequency components, detecting an acoustic signal attributable to the time dependent energy deposition in said absorptive medium by said intensity modulated ion beam using at least one detection apparatus, said detection apparatus being preferably configured for extracting at least one modulation frequency component of the acoustic signal corresponding to a respective one of the one or more modulation frequency components of said intensity modulation, or a harmonic thereof, and deriving information regarding the location of the energy deposition based, at least in part, on a time lag between the timing of the intensity modulation of sai

Abstract: The invention relates to a method for quality assurance of a radiation field (30) emitted by a radiation therapy apparatus (10), comprising the steps of: (i) providing an ionization chamber (40) detector as reference detector for measuring the dose of the radiation field (30) at the exit of the radiation head (20), said ionization chamber (40) having a size and being positioned for being traversed by said radiation beam (30), said ionization chamber (40) having an attenuation equivalent to less than 1 mm Al; (ii) providing one or more field detectors (50); moving the field detector (50) across the radiation field (30) and measuring simultaneously the dose from the field detector (50) and from the ionization chamber (40); (iii) computing the ratio of the dose from the field detector (50) to the dose of the ionization chamber (40). The invention also relates to a device for performing the method.

Abstract: Systems and methods for targeting specific cell types by selective application of ultrasonic harmonic excitation at their resonance frequency (“oncotripsy”) are presented. The systems and methods result in the lysis of targeted cell types by using ultrasonic harmonic excitations that have been specifically tuned to disrupt the nuclear membrane of the targeted cells types by inducing a destructive vibrational response therein while leaving non-targeted cell types intact, The target cells types may be cancerous cells.

Abstract: A method for treating cartilage of a human being includes, bringing an excision unit into contact with a predetermined portion of the cartilage, heating the predetermined portion of the cartilage to a temperature of 120° C. or higher by the excision unit within 2.2 seconds and excising, by the excision unit, the predetermined portion of the cartilage that has been heated to the temperature of 120° C. or higher while pressing the predetermined portion.

Abstract: A fall protection and buffering device includes a retaining strip, and a buffer strip having a length shorter than the retaining strip. The buffer strip has first and second strip sections between two ends and includes first and second textile layers overlappedly affixed with each other. The first and second textile layers are separated at one end of the buffer strip at the first strip section thereof and are affixed to top and bottom ends of the retaining strip respectively. The first and second textile layers are torn from each other sequentially along the first and second strip sections of the buffer strip in response to a falling force applied to the retaining strip. A tensile strength of tearing the first and second textile layers at the first strip section is different from a tensile strength of tearing the first and second textile layers at the second strip section.

Abstract: A fire-protection tape (24) to be laid into gaps (12) in walls or ceilings (10) of buildings, having at least two main plies (26a, 26b) composed of an intumescent material, and at least one intermediate ply (30a) composed of a second intumescent material disposed between adjacent main plies (26a, 26b), wherein the second intumescent material has a lower intumescence temperature than the material of the main plies (26a, 26), and wherein the main plies (26a, 26b) have a first longitudinal edge (32a, 32b) on one outer side and a second longitudinal edge (34a, 34b) on the opposite outer side, in each instance.

Abstract: A method for extinguishing fires which includes the following phases: a first phase wherein a projectile of compact crushed ice is produced, with a volume between 0.5 liters and 2 liters, a second phase wherein the projectile is placed on a shuttle that fires it over the area in flames to be put out, and a third phase wherein successive projectiles are launched until a shower of compact crushed ice projectiles is formed with at least 30 liters per square meter per hour. A projectile for extinguishing fires is also disclosed.

Abstract: A sprinkler system protects a combustible concealed space between a floor and a sloped roof above and includes a water supply line connected with a valve having a body and a passageway connecting an inlet and an outlet. A seal member is located and supported in a body along the passageway to block and open the passageway. A water discharge device is connected by piping with the outlet and installed in the concealed space at a location remote from the valve to spray water onto the Boon A thermal activation component includes a thermally responsive element installed at a location in the concealed space remote from the valve and the water discharge device. A flexible connector mechanically connects the thermal activation component and the valve and initiates movement of the seal member in response to a physical change in the thermally responsive element due to heating thereof.

Abstract: Disclosed is a non-metallic anti-explosion ball, comprising an equatorial ring (1), longitudinal sheets (2), a south-polar ring (41) and a north-polar ring (31). The equatorial ring (1) and the longitudinal sheets (2) are arranged perpendicularly. The south-polar ring (41) and the north-polar ring (31) are located on two sides of the equatorial ring (1) respectively. The south-polar ring (41) is located at one end of the longitudinal sheets (2), and the north-polar ring (31) is located at the other end of the longitudinal sheets (2). The equatorial ring (1), the south-polar ring (41) and the north-polar ring (31) are coaxial. A projection of the south-polar ring (41) is located inside a projection of the equatorial ring (1) in an axial direction of the equatorial ring (1), and a projection of the north-polar ring (31) is positioned inside the projection of the south-polar ring (41). Projections of the longitudinal sheets (2) extend from the projection of the north-polar ring (31) to the equatorial ring (1).

Abstract: The present invention provides a thermal management and automatic fire-extinguishing system of a vehicle battery, used for managing the vehicle battery in a hybrid vehicle or an electric vehicle, including: fire-extinguishing packages which are adjacent to or in contact with the vehicle battery, wherein the fire-extinguishing package is filled with a fire-extinguishing agent; and the fire-extinguishing package is configured to be opened when the temperature of the vehicle battery is higher than a preset temperature, so that the fire-extinguishing agent can be released and then filled into a space where the vehicle battery is located, thereby achieving the effects of automatic combustion prevention and fire extinguishing of the vehicle battery, effectively protecting the vehicle battery and the whole vehicle, reserving more escape time for passengers and improving the safety of the vehicle.

Abstract: Various embodiments disclosed relate to dry powder fire-fighting compositions. In various embodiments, the present invention provides a method of fighting a fire. The method can include contacting at least one of a fire and a source thereof with a composition including bentonite and aluminum hydroxide.

Abstract: A linear displacement damper structure includes a screw shaft, a metallic disk, a screw barrel, a controlling member, and a driving member. The screw shaft is fixed in a position, connected to the metallic disk, and threaded with the screw barrel. The screw barrel is connected to an external device and driven by the external device to perform a linear displacement along a length direction of the screw shaft relative to the screw shaft, so that the screw shaft drives the screw shaft and the metallic shaft. The controlling member has a permanent magnet and is disposed near to the metallic disk, so that the metallic disk generates a magnetic resistance to reduce the rotation speed of the metallic disk. The driving member drives the controlling member to move to change a distance between the controlling member and the metallic disk to adjust the magnitude of the magnetic resistance.

Abstract: A jaw-strengthening device has a first receiver configured to receive a row of teeth having first and second molar sections, the first receiver having a first air chamber within the receiver positioned in a first molar section, a second air chamber within the receiver positioned in a second molar section, and an egress valve, configured to permit egress of air and prevent ingress of air, in communication with the first and second air chambers, a second receiver configured to receive a second row of teeth, the second receiver having a third air chamber within the receiver positioned in a first molar section, a fourth air chamber within the receiver positioned in a second molar section, and an ingress valve in communication with the third and fourth air chambers, wherein the first and third air chambers, and separately the second and fourth air chambers, are in communication.

Abstract: Apparatus (2) for exercising a person's calves (4) in two different ways, which apparatus (2) comprises a footrest (8), a kneerest (10), and a length of stretchable material (12) for extending between the footrest (8) and the kneerest (10), and the apparatus (2) being such that: (i) the length of stretchable material (12) is flat sided; (ii) the footrest (8) has roller means (14); (iii) the roller means (14) allows the length of stretchable material (12) to connect to the footrest (8) such that the flat sides of the length of stretchable material (12) slide over the roller means (16); (iv) the kneerest (10) has anchor means (16) for the length of stretchable material (12); (v) the anchor means (16) allows the length of stretchable material (12) to connect to the kneerest (10) such that the flat sides of the length of stretchable material (12) pass over the anchor means (16); and (vi) the footrest (8), the kneerest (10), and the length of flexible material (12) are separable from each other.

Abstract: A multiple position locking handle for an exercise machine for that is movable into a plurality of different positions when unlocked and that is retained in a single secure position when locked. The multiple position locking handle for an exercise machine generally includes a tubular base having a lower end and an upper end, an elongated member extending through the opening of the upper end of the tubular base and extending downwardly through at least a portion of the tubular base, a handle extending outwardly from the elongated member at an angle, and a locking device. The elongated member is movable within the tubular base when the locking device is in the unlocked state and is substantially not movable within the tubular base when the locking device is in the locked state.

Abstract: A core fitness system for efficiently exercising the core muscles of a persons body. The system involves working a user's core muscles by rotating the user's body while holding the body at an angle.

Abstract: The invention provides an exercise device for a rotator cuff of a shoulder of a user comprising a container housing, wherein the container housing comprises a first container shell, wherein the first container shell comprises a first container shell exterior surface and a first container shell interior surface surrounding a first container shell void, wherein the first container shell interior surface forms a substantially spherical surface; a second container shell, wherein the second container shell comprises a second container shell exterior surface and a second container shell interior surface, wherein the second container shell interior surface surrounds the first container shell exterior surface whereby the first container shell is nested inside the second container shell; and a spherical ball positioned within the first container shell void; wherein when the exercise device is in use, movement and rotation of an arm of a user causes movement and rotation of the container housing and movement and rotati

Abstract: A machine for exercising the rotator cuff muscles that is operable to individually and separately isolate and exercise each of the four rotator cuff muscles while the user is in a seated position. The exercise machine includes a plurality of structural elements including a main vertical beam and a base frame operable to be positioned on the ground, where the main beam extends vertically from the base frame. The machine includes a plurality of pulleys mounted to the structural elements and a plurality of exercise cables running through the pulleys, where handles are coupled to the exercise cables. A seat is mounted to the vertical beam and the handles are positioned relative thereto to allow the user to grasp the handles and perform the several exercises for each arm.

Abstract: A layered exercise contact counter display tracking and showing repetitive contacts with the lens contact surface of a housing covering a sensor pad, which responds to contacts sending a signal to a powered circuit board and remote tracking devices to record and display the number of repetitive hits adapted for mounting on an exercise device or a support surface to encourage an exerciser to complete and exercise or contact event.

Abstract: An exercise machine includes a motor that drives a belt to move, and an analysis system to collect a peak energy from the motor and to convert the peak energy into different user exercising data.

Abstract: Systems and methods for fitness tracking are provided. An exercise apparatus is in networked communication with a fitness tracking computing system. The configuration and location of movable components of the exercise apparatus is determined based on sensors. This information is provided to the fitness tracking computing system via networked communication.

Abstract: A mobile device software application that encourages and motivates exercise activity by the use negative feedback and/or real time competition; application will be composed of 3 modes settings 1) Predator Mode—animals, monsters, mother in law sounds, or any prerecorded sounds chasing the user promoting fight or flight response to exercise 2) volume or sound mode—music or anything being heard automatic volume control 3) Challenge mode—user will be able to challenge others on any activity via the application; users create an “Arena” where others can connect and join the exercise creating a “fitness social network”; competition can be head to head or against personal best; the exercises can be cross fit, jogging, weight training, etc.; date and time exercise selection will be random in accordance to user availability; audible and visual output derived from logic based on a comparison of actual real-time/current data with best baseline exercise output as well as user profile settings.

Abstract: A system and method for implementing and executing user configured incentives for exercise goals with data from biometric measuring devices. The system and method may include processes such as determining a user specified fitness goal, identifying fitness metrics associated with the goal, determining whether the user specified fitness goal was achieved based on measured fitness metrics, and implementing an incentive based on whether the fitness goal was achieved or not.

Abstract: An object of the present invention is to provide a golf ball showing an increased spin rate on approach shots under a wet condition while maintaining a spin rate on approach shots under a dry condition. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film has a multi-layered construction composed of two or more layers, and a difference (Mout?Min) between a 10% elastic modulus (Mout) of an outermost layer of the paint film and a 10% elastic modulus (Min) of an innermost layer of the paint film is 25 kgf/cm2 or more.

Abstract: A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. A difference DH in hardness between a surface and a central point of the core 4; a thickness Tm (mm), a hardness Hm, and a volume Vm (mm3) of the mid layer 6; and a thickness Tc (mm), a hardness Hc, and a virtual volume Vc (mm3) of the cover 8 meet the following mathematical formulas. (DH*Hm)/(Hc*Tc)>63 3.0<((Vm*Hm)/(Vc*Hc))<7.5 A dimple pattern of each hemisphere of the golf ball 2 includes three units that are rotationally symmetrical to each other. A dimple pattern of each unit includes two small units that are mirror-symmetrical to each other.

Abstract: A golf ball 2 includes a core 4 and a cover 6. A value V calculated by the following mathematical formula is equal to or less than 1080 Hz. V=NF(2)2?2/3*NF(2)1 In the mathematical formula, NF(2)1 represents a secondary natural frequency of the core 4, and NF(2)2 represents a secondary natural frequency of the golf ball 2. A difference (H1s?H1o) between a Shore C hardness H1s at a surface of the core 4 and a Shore C hardness H1o at a central point of the core 4 is equal to or greater than 10. An amount of compressive deformation Df1 of the core 4 is equal to or greater than 4.1 mm.

Abstract: A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. A difference DH in hardness between a surface and a central point of the core 4, a thickness Tm and a hardness Hm of the mid layer 6, a thickness Tc and a hardness Hc of the cover 8, and an amount of compressive deformation Sb of the golf ball 2 meet the following mathematical formulas (DH*Hm)/(Hc*Tc)>80 and ((Sb*Tc)/(Hc*Hm*Tm))*1000>0.75. A hardness Hc of the cover 8 is equal to or less than 40. A material of the cover 8 is a resin composition. The resin composition includes a polyurethane (A) and a polyrotaxane (B).

Abstract: A ball holder includes a first and second hollow hemispherical shell, each having a plurality of apertures therein. Each hemispherical shell includes a respective hinge part, and, diametrically opposed therefrom, a respective closure element. The first and second hinge parts are connected with each other, enabling turning the first or the second hemispherical shell relative to each other to open or close the ball holder. The first and second closure elements are aligned when the ball holder is closed permitting engagement with a releasable lock therethrough. The ball holder includes a plurality of protuberances spaced apart along internal surfaces of the hemispherical shells. The protuberances separate a ball held within the ball holder from the internal surfaces of the shells, and form discrete contact points to reduce surface contact areas of the ball with the internal surface for effectively drying the ball carried by the ball holder.

Abstract: An apparatus for fabrication of a multiple memory material including: a feeding assembly for feeding shape memory material; a processing station aligned with the feeding assembly to receive the shape memory material to be processed; at least one energy source aligned with an energy source aperture to provide energy to the shape memory material; a shielding gas provider attached to a shielding gas engagement portion to provide shielding gas; and a controller configured to control the feeding assembly, the shielding gas provider and the energy source according to predetermined parameters to form the multiple memory material.

Abstract: A golf club head comprising a body, a cavity having an open end and a terminal end, a weighted insert, the weighted insert comprising a heavy end and a lighter end, wherein the cavity comprises a head locking feature, wherein the weighted insert comprises an insert locking feature, wherein the insert locking feature is configured to lock the weighted insert in the cavity with less than 180 degrees of rotation, wherein the head locking feature comprises a slot, wherein the slot is arranged at an oblique angle relative to the longitudinal axis of the cavity, wherein the insert locking feature comprises a protrusion configured to engage the slot, the protrusion and the slot configured such that rotation of the insert locking feature relative to the head locking feature forces the insert locking feature to slide along the longitudinal axis of the cavity towards the terminal end of the cavity.

Abstract: A golf club head having a body having a first receptacle having a first aperture, a second receptacle having a second aperture, and a first weight retention member affixed to the first receptacle, the first weight retention member having an opening, at least a portion of the first weight retention member extending through the first aperture into the hollow golf club interior; a second weight retention member affixed to the second receptacle, at least a portion of the second weight retention member extending through the second aperture into the hollow golf club interior; and a third weight retention member extending between the first weight retention member and the second weight retention member, the third weight retention member extending through the opening of the first weight retention member, at least a portion of the third weight retention member located in the hollow golf club head interior.

Abstract: A golf club head including a body having a face, a sole, a crown, and a skirt joining the face, sole and crown, the body having a center of gravity, wherein the body includes an open end and a terminal end, the terminal end opposite the open end, a weighted insert having a heavy end and a lighter end, the lighter end opposite the heavy end, wherein the cavity is configured to receive the weighted insert through the open end, wherein the cavity includes a head locking member, wherein the weighted insert includes an insert locking member, wherein the head locking member includes a shelf and the insert locking member includes a flange, the flange configured to abut the shelf when the insert locking member is in a locked position; and a spring located between the insert locking member and the terminal end of the cavity.

Abstract: A golf club head having a body having a first receptacle having ant aperture and a weight retention member affixed to the receptacle, the weight retention member having an opening, the weight retention member configured to receive a weighted insert, wherein at least a portion of the receptacle is located on the sole, wherein the receptacle includes a pair of perimeter walls, each of the perimeter walls substantially perpendicular to the sole adjacent the perimeter walls, wherein the pair of perimeter walls are separated by the aperture and are substantially parallel to one another.

Abstract: A golf club head including a body having a face, a sole, a crown, and a skirt joining the face, sole and crown, the body having a center of gravity, wherein the body includes an open end and a terminal end, the terminal end opposite the open end, a weighted insert having a heavy end and a lighter end, the lighter end opposite the heavy end, wherein the cavity is configured to receive the weighted insert through the open end, wherein the cavity is configured to receive the weighted insert through the open end in both a first configuration and a second configuration, and wherein said weighted insert comprises a heavy portion comprising a high density portion and an abutment member.

Abstract: A golf club head including a body having a face, a sole, a crown, and a skirt joining the face, sole and crown, the body having a center of gravity, wherein the body includes an open end and a terminal end, the terminal end opposite the open end, a weighted insert having a heavy end and a lighter end, the lighter end opposite the heavy end, wherein the cavity is configured to receive the weighted insert through the open end, wherein the cavity is configured to receive the weighted insert through the open end in both a first configuration and a second configuration, and wherein said weighted insert comprises a slideable flange.

Abstract: A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.

Abstract: A golf club incorporating a stress reducing feature, including an aperture, located at least partially on the sole of the club head. The location and size of the stress reducing feature and aperture, and their relationship to one another, play a significant role in selectively improving the performance of the golf club.

Abstract: A golf club head comprising a body, at least one weight cartridge, and a plurality of hollow tubes is disclosed herein. The body comprises a face section, a sole section, and a return section, and also defines a hollow interior. Each of the plurality of hollow tubes extends from the return section to the sole section to reduce stresses placed on the face during impact with a golf ball, and the at least one weight cartridge is sized to fit within at least one of the plurality of hollow tubes. The sole section and return section each comprise keyed apertures providing access to the hollow tubes with which they communicate, and the at least one weight cartridge comprises a keyed structure sized to fit through the keyed apertures.

Abstract: A lightweight compression molded multicolor golf grip having at least a first section and a second section of differing colors and composed of elastomer compounds having a density of less than 0.90 g/cc, and joined by cross-linking across a sharply defined cross-color interface having an interface transition zone beyond which there is no mixing of the colors. The grip has a soft feel and unique compression characteristics achieved in some embodiments through the controlled use of an expanding blowing agent in a rubber compound including an EPDM mixture. Achieving the sharply defined cross-color interface is due in part to the use of complementary geometries at opposing interface edges to increase the stability of the interface and reduce the flow during molding associated with the increased viscosity of low density rubber compounds, promote cross-linking of the sections, and better distribute and control the consolidation pressure.

Abstract: Provided is a grip for a golf club having a body with an axial passage extending substantially the length of the body and an air passage extending through a side wall of the body into the axial passage to allow air to escape from the axial passage as the shaft of the golf club is advanced into the axial passage.

Abstract: Golf is waning in popularity partly because of the difficulty of becoming a good player. A key aspect of this difficulty is in using a golf club to drive a ball in a desired direction. To make this easier, the present inventor devised, among other things, a directional golf tee structure that enables players to select a drive direction by orienting the golf tee in the desired direction and then using a golf club to strike a portion of the golf tee instead of the ball. The struck portion of the golf tee filters out or reduces the effect of golf club swing errors, thereby promoting greater accuracy. In some embodiments, the tees are configured for specific loft angles, fade, and/or draw attributes, not only providing a variety of play and training options, but ultimately making golf easier and more enjoyable for players of all skill levels.

Abstract: A safety bat for striking balls or the like comprises a tubular body and a safety means. The tubular body extends along a longitudinal axis and includes a plurality of layers made of fiber-reinforced resin sheets. The safety means is disposed on the tubular body to eliminate the danger of damage caused by projectiles from the bat that breaks or shatters during use and such a safety means does not alter the bat's strength or performance.

Abstract: Grip aid devices and methods for developing proper technique and mechanics for gripping a bat used for sports are disclosed. The grip aid device may include first and second ridges on an elongated body. The first and second ridges are aligned parallel to a length of the elongated body and protrude outward from an outer surface of the elongated body. The second ridge is spaced about the circumference of the body from the first ridge. The grip aid device can be removably installed on a bat or can be fashioned integral with a bat handle. The opposing ridges of the grip aid device position the player's hands in a wrist-over-wrist alignment that enables the player to maintain a generally planar travel path of the bat through a hitting zone.

Abstract: A golf club with improved weighting characteristic is disclosed. More specifically, the present invention discloses to a golf club wherein the improved weighting distribution stems from an increase in the mass of the golf club at a specific distance away from the butt end or proximal end of the golf club head to help increase the feel and minimize the dispersion of the golf shot by minimizing the pull and or draw tendencies of a golf shot.