Abstract: A control system is provided for improving the maneuverability of a handheld tool such as a knife. The apparatus of the present invention includes a control knob disposed upon the shaft or blade and spaced apart from the handle to create a finger gap. The methods of the present invention include grasping the control knob and/or grasping the finger gap while loosely cradling the tool handle. Another method includes grasping the handle and extending one or more digits of the hand beyond the hilt to grasp the control knob and/or the finger gap, while maintaining a grip on the handle. The control knob and the finger gap work together with the tool handle and the user's hand to provide improved maneuverability of the handheld tool.

Abstract: Knife-holding assist including a blade-riding section and a grip section formed on two lateral sides of the blade-riding section. The blade-riding section has a U-shaped cross-section and includes a pair of opposite plate bodies integrally connected with each other. The plate bodies define a receiving channel, whereby a blade of the knife can be fitted into the receiving channel with the back edge of the blade abutting against the bottom of the receiving channel. The grip section includes two flat arched sections, whereby a user's hand can grip the grip section with the palm pressing an upper edge of the blade-riding section to facilitate cutting operation. The grip section also protects the fingers from slipping and getting hurt by the blade.

Abstract: A cutting tool and method for removing the tenders from a poultry carcass wherein the cutting tool is a deboning knife having a pair of blades attached to a handle in a side by side relation with a distance therebetween. The surfaces of the blades include undulations for accommodating the curvature of the keel from which the tenders are removed. The method for removing the tenders comprises manual manipulation of the deboning knife to simultaneously remove two tenders from the carcass.

Abstract: A cutting device (1) for floor coverings, intended for cutting or starting a tear of seams, includes a base body (2) with at least one blade (3) that is mounted on the base body (2), and a contact edge (4), envisioned on the bottom side (5) of the base body (2), for an edge of a floor covering. A removable first plate (6) and a removable second plate (7) are attached in the front area of the base body (2), and the blade (3) can be arranged parallel to the contact edge (4) between the plates (6, 7). To provide a cutting device (1) that allows for the simple adjustment of the cutting width, at least one additional plate (8, 9, 10) is provided, allowing the blade (3) to be arranged, if necessary, between the second plate (7) and the additional plate (8) or between adjacent additional plates (8, 9, 10).

Abstract: A cabbage cutter consisting of a round metal cylinder with a solid top and an open bottom. The solid top of the cutter is covered with a permanently secured cap that extends slightly over onto the sides of the cylinder that acts as a hand grip and also offers cushion to the hand during its use. The open bottom of the cylinder is a sharp, knife-like cutting edge that can be sharpened if it should become dulled from use. A safety cover that fits over the sharp, knife-like cutting edge that acts as a protective shield when the cabbage cutter is not in use or stored.

Abstract: The invention concerns both a method and device for cutting hair. The device includes a multi-faceted cutting means (10) and a handle (20). The cutting means (10) is preferably formed from a broken piece of glass, preferably having a ragged broken edge to form a multi-faceted cutter with a plurality of cutting edges (13) distributed across it. Having cutting edges (13) distributed in this way, has been found to advantageously provide hair styling effects which give good texture to a hair cut and provide natural build.

Abstract: A utensil for infants and toddlers it includes a planar flexible handle portion and a semi-rigid utensil portion. The utensil portion includes a ridge and a handle which engages the handle portion. A mouth guard is included and is disposed at the junction of the handle and handle portion. Included among the utensils are a spoon, fork and toothbrush. A kit of utensils is, also, disclosed.

Abstract: A retractable blade knife is described, which has a handle composed of two parallel members connected by biasing spring assemblies and a blade orthogonal to the handle members. A cutting edge comprising cutting segments connected at varying angles to one another is disclosed, the cutting edge providing a visual effect similar to a flaked cutting edge.

Abstract: A personal groomer includes a hand-holdable housing within which is disposed a battery operated motor coupled to a cutting head assembly that protrudes at least partially from a distal end of the housing. An impeller fin assembly is attached to a lower portion of the cutting head assembly for rotation therewith when the motor is energized. Preferably the lower portion of the cutting head assembly and the impeller fin assembly are surrounded by a thimble-shaped member defining sidewall vents and having an opening in its upper surface, through which a distal portion of the cutting head assembly protrudes. A light source is mounted in the housing so as to focus light on hairs to be cut with the groomer. The groomer is cleaned by submerging the distal end of the housing assembly in water and energizing the motor. The resultant impeller fin rotation draws water into the cutting head assembly, and expels the water along with cut hairs and any other debris out the vents in the thimble-shaped member.

Abstract: A cleaning apparatus (10, 10', 10") includes a hand shield (14, 16, 16') with an attachment device (64, 68, 68') thereon for selectively attaching the hand shield to a cleaning tool (12, 12') for protecting a hand gripping a grip portion (32) of an elongated handle of the cleaning tool when the cleaning tool is manipulated to clean a surface such as a hot grill.

Abstract: A sheet metal shears for protecting from injury the hand of a user holding the sheet metal shears while cutting a piece of sheet metal. The tool includes sheet metal shears having a pair arms pivotally coupled together with each arm having a cutting blade and a lever handle. The lever handle of one of the arms has a closed finger loop distal the cutting blade of the one arm. The lever handle of the other arm has a generally U-shaped open finger loop distal the cutting blade of the other arm. The open finger loop has a pair of space apart elongate portions and an arcuate portion connecting the elongate portions of the open finger loop together. A first of the elongate portions connects the open finger loop to the lever handle of the other arm. A second elongate portion has an arcuate region for forcing a portion of the sheet metal cut by the cutting blades away from the open finger loop to protect the hand of the user from injury from the cut edges of the sheet metal while the user is cutting the sheet metal.

Abstract: A manually operated, finger-manipulatable non-electric hair trimming device for shaving nostril hair, ear hair or the like, includes a head structure sized to fit within a small body cavity, such as a person's nostril or ear cavity, which includes a flexible razor blade strip. The head structure has a base portion and a curved guard portion, which preferably has first and second ends which are attached to the base portion. A finger grip portion is connected to the base portion to allow precise manual manipulation of the hair trimming device. The head structure further has a thin, elongated narrow razor blade strip with a razor sharp first edge portion, which may be a serrated edge with razor-sharp notches such as V-slots or may be a conventional straight edge. Alternatively, two razor-sharp edges, one serrated and one straight, may be provided.

Abstract: A guard for use with rotary cutters in the cloth cutting and related arts. The design includes a wide, clear plate for placement over cloth to be cut and an upturned edge portion to allow application of a rotary cutter device. The method steps of the invention use the apparatus in combination with a guide ruler to enable the easy and safe use of conventional rulers in combination with rotary cutting devices.

Abstract: A new Eye Brow Trimming System for providing a painless, easy and efficient device for removing undesirable hair from a user's eyebrow. The inventive device includes a tube having a battery compartment, a vibrating motor within the tube, a shaft attached to the vibrating motor, an arcuate head having a plurality of apertures, and a plurality of vertical blades attached to the shaft opposite of the motor for cutting hair which projects through the apertures.

Abstract: A grip contains a profiled membrane (1) made of flexible material with two lips (1c) (1d) forming an interior collar, leaving the passage for the introduction of a tool shaft with any cross section free and which, when used and handled, allows the collars to fulfil the function of sealing lips and in that the profiled membrane forms at least one air chamber (1a) on the inside, and when the grip is handled by the user the membrane is deformed and creates a vacuum in the interior chambers (1a) (1b), forming suction pads on the tool shaft.

Abstract: A grooming device including a stem, a first and a second arm extending from one end of the stem, the first arm having a first flat surface and the second arm having a second flat surface arranged substantially parallel to the first flat surface. An angled surface is located adjacent to the first flat surface and a blade is located adjacent to the second flat surface such that when a force is exerted on the first and second arms, the first and second flat surfaces come in contact with each other and the blade slides past the angled surface. A housing case member in the general shape of a rectangle and having an opening, configured such that the stem and first and second arm fit inside the opening, encases the tweezer-scissor member when the grooming device is in the folded position. The tweezer-scissor member rotates around a pin which affixes the tweezer-scissor member to the housing case member.

Abstract: A nose hair trimmer and method for making the same. A generally cylindrical outer handle has an axial bore therethrough. A generally cylindrical inner handle is received in the axial bore and includes an enlarged portion which abuts against one end of the outer handle and prevents the inner handle from passing further into the bore. A generally tubular outer blade is received substantially within the axial bore at the other end of the outer handle. A generally tubular inner blade is received substantially within the outer blade and is mounted on one end of the inner handle via welding. An annular lip formed on the radially inner surface of the axial bore adjacent the lower end of the inner blade is oriented to substantially prevent axial movement of the inner blade beyond the lip.A method for making the nose hair trimmer is also provided.

Abstract: A utility knife can be equipped with a removable blade protective guard structure to prevent the person from being cut when the knife is not in use. The guard structure includes a mounting element having a pivotable connection with an elongated guard element near the leading end of the knife handle. A torsion spring is coiled around the pivot shaft to normally urge the guard element to a position extending along the cutting edge of the blade. However, the guard element can be swung through an arc of about one hundred eighty degrees (180) to assume a position lying alongside a side edge of the knife handle, away from the cutter blade.

Abstract: A utility knife strap that is of a closed loop configuration so it can be selectively moved through an opening of a spring ring attached to the rear end of the utility knife while the strap retains its attachment to the utility knife, during which movement a protruding shape on the strap is positioned just rearwardly of the front end of the utility knife so as to serve as a stop against inadvertent sliding movement of the hand grip toward the blade of the utility knife to thereby contribute to safer use thereof.

Abstract: A manually operated, finger-manipulatable non-electric hair trimming device is provided for shaving nostril hair, ear hair or the like. The hair trimming device includes a head structure sized to fit within a small body cavity, such as a person's nostril or ear cavity, and is arranged to support a flexible razor blade strip. The head structure has a base portion and a curved guard portion extending from the base portion. The curved guard portion has first and second ends which are attached to the base portion. A finger grip portion is provided having an end connected to the base portion of the head structure, for manually manipulating the hair trimming device. The head structure further has a thin, elongated narrow razor blade strip provided with a razor sharp first edge portion.

Abstract: A hairdresser's comb includes, in its handle portion, an elongated aperture converging from a wide end to a narrow end. One sidewall of the aperture includes a lengthwise blade. The opposite sidewall has a serrated surface. A bottle tip inserted into the wide end of the aperture is pushed or rolled against the blade to sever the tip.

Abstract: A new and improved handle for a center punch comprised of a hollow tubular handle portion having a first end, a second end, and an intermediate extent therebetween. The intermediate extent has a foam padded handle theresecured. Included in the device is a hollow tubular shaft portion having a first end, a second end, and an intermediate extent therebetween. The first end is integral with the second end of the tubular handle portion. The second end is adapted to slidably receive a center punch therein. A shield portion is secured around the second end of the tubular handle portion. The shield is positioned outwardly of the foam padded handle. The shield portion has a diameter about three times greater than the tubular handle portion including the foam padded handle. The shield portion serves to protect a user's hand from the glass broken by a center punch.

Abstract: A simple, purely mechanical, hand-held yet handleless, do-it-yourself hair trimming device employing conventional razor blades and operable by a typical combing motion. The blades are sandwiched between a base element and a mating backing element, both of which have one or more arrays of comb-like teeth and the backing element may be a comb per se. The base and back elements are disengagably adjustably secured together by a spring-loaded thumb screw/cup nut configuration which allows ease of blade replacement and versatility through user selection from multiple tooth array/blade edge combinations, intended to maximize the efficiency of the cut with regard to the various different areas of the head.

Abstract: A knife comprising a handle, a blade mounted on the handle, a pair of side guards mounted on the handle and movable between an open position and a closed position. The pair of side guards enclose at least a portion of the blade when in the closed position. An actuating mechanism is provided for actuating the pair of guards between the open position and the closed position. The actuating mechanisms includes a button movable between a forward position and a rear position and operable with the pair of side guards such that when the button is in the forward position, the pair of side guards is moved to the open position and when the button is in the rear position, the pair of side guards is moved to the closed position. Preferably, the button includes two protrusions at the lower surface thereof which interact with receptacles formed by a notch in each side guard and the edges of the side guards such that when the button is moved within the slot, the side guards are cammed between the open and closed positions.

Abstract: The present pizza cutter of a unique design has a circular blade mounted in a fork on the forward end of an arch-shaped frame. The intermediate portion of the frame is a handle for holding the pizza cutter. The arched shape of the handle prevents the hand from contacting the pizza during cutting. The handle has a thumb guide for applying pressure to cut the pizza, a thumb guard for preventing the thumb from contacting the blade, and a fender to protect the hand from contacting the blade. The rearward end of the frame is a support for supporting the pizza cutter in a vertical position on a horizontal surface when not in use. The blade is attached to the frame by a hub between the tines of the fork, thereby preventing the blade from wobbling during cutting. The pizza cutter also has a stand adapted to receive the blade and support.

Abstract: An improved thumbpiece for a power-driven knife is disclosed. The one piece thumbpiece includes an annular base portion and a thumb support portion disposed vertically above the base portion. The base portion is adapted to be mounted on an annular boss extending from the headpiece. The thumb supporting portion includes a thumb contacting surface which extends outwardly at an acute angle with respect to the longitudinal axis of the base portion. The thumb contacting surface is patterned and is generally sinusoidal in profile and convex in cross section for supporting an operator's thumb in a partially flexed position along substantially the entire length of the thumb.

Abstract: The present invention relates to an elongated main branch of a baton having a longitudinal axis and a cross branch normal to the main branch, the cross branch being located near one end of the main branch. The cross branch also has a longitudinal axis that is coplanar to the axis of the main branch. Construction is as follows: the main branch and the cross handle usually are of an unitary construction in which a major length of the main branch (and the cross handle) are of a solid, one-piece construction but wherein at least a minority of the length of the main branch is provided with a cavity means. The cavity means of the invention can take the following form: For example, in one aspect of the invention there is at least a first portion of the cavity means that is located at the one end of the main branch adjacent to the cross branch, into which is fitted with an elongatable strap in the form of a chain or rope of constant weight per length.

Abstract: Two-piece assembly which clamps to the frame of a hacksaw forward of and adjacent the handle and has two protective wing shields extending laterally outward from the hacksaw in front of the operator's hand. The wing shields may be integral with a hand and finger grip plastic mating portion attached to the handle of the hacksaw, or be separate and attached by bolts and nuts to the hacksaw frame forward of the handle.

Abstract: A clipper includes a first hollow tube that has an upper end provided with a first detachable trimming device and a lower end that is provided with a circumferential oblong slot that has an axial access which extends from the periphery of the lower end. The axial access includes two opposed faces, one of which has a projection formed thereon. The projection and a remaining one of the faces cooperatively define a predetermined clearance. A second hollow tube is inserted co-axially into the first tube and has an upper end provided with a second detachable trimming device, and a lower end that has an engaging rod which extends radially outward from an external surface of the second tube. The engaging rod has a diameter that is wider than the predetermined clearance. The engaging rod is pressed past the projection of the axial access of the first tube when the second tube is inserted into the first tube.

Abstract: A spiral cutter for use in an electric razor in which the lower end of a band-shaped blade made of elastic material is embedded in the peripheral surface of a body with the band-shaped blade torsionally deformed. The spiral cutter is manufactured by the steps of: mounting a band-shaped blade made of an elastic material in a body molding die with the band-shaped blade torsionally deformed; molding a base; and removing a molded product from the body molding die after the body is molded.

Abstract: A hand held hair trimmer for trimming hair in nose and ears has a cutter action and fan like action to collect the cut hair. The trimmer comprises a hand held container with a battery and motor therein, a rotatable shaft extends from the motor to one end of the container which has a screen with apertures of sufficient size to allow hairs to pass therethrough. The screen is semispherical in shape and joined to a cylindrical portion. A cutting head is attached to the end of the shaft and rotates within the screen with the blades arranged to cut hairs protruding through the screen, and being angled to provide a fan like action when rotated. A removable filter is located within the container adjacent the screen to cut hair trimmings and a vent is located in the container to vent air pulled into the container from the rotating blades, the air vent is down stream from the filter.

Abstract: A safety attachment for a knife has a yoke member adapted to at least partially encircle the body of the knife a short distance behind the blade. A substantially planar guard plate is hingedly attached to the yoke member to freely swing about an axis located at or below the knife body. In a cutting position, the guard plate extends rearwardly from the axis and the blade, skimming the top of the workpiece. Upon contact with a sizable obstruction, the guard plate pivots about the obstruction to a guard position wherein the guard plate forms a solid barrier between the cutting edge of the knife blade and the obstruction, thereby preventing contact between the obstruction and the knife blade.

Abstract: A knife for cutting honeycomb core and other materials with a combination of safety features to prevent or minimize injury to operator. The blade used has a hole through which a fastening device e.g. threaded screw, locks it to a handgrip. A safety guard covers the blade when not in use and automatically retracts as the blade is removed from the workpiece. The guard cannot be accidently displaced from the blade. It must be purposely unlocked by a manually triggered self-locking release assembly located in the handgrip which also automatically relocks the safety guard when retracted. The safety features consist of an automatically retractable guard attached to a safety handshield working in conjunction with the safety self-locking release assembly to prevent accidental release.

Abstract: A shaver having a clipper comprises a single elongated handle with one end detachably connected with a shaving unit and the other end connected with a clipper adapted for trimming user's nose hair by inserting an indented end into the user's nose and trimming the hair therein through a smooth operation.

Abstract: A device for curling and shredding ribbon includes a handle having a recess for receiving the end of a thumb of a person grasping the device. A support member extends from the handle and supports a plurality of flat, planar blade members extending perpendicularly from the surface of the support member. A diagonal surface forms a sharp edge on one side of the support member, and a second diagonal surface forms a sharp edge on the opposite side of the support member. A plurality of blades are disposed side-by-side spaced apart and parallel to one another along the length of the support member. Each blade is oriented to extend in a direction transverse to the longitudinal axis of the sharp edges formed by the diagonal surfaces. Each blade has a cutting edge formed around the free edges thereof and formed by opposed convex surfaces having the same radius of curvature. A shield is provided between the handle and the support member carrying the blades.

Abstract: An apparatus including a cylindrical longitudinally aligned handle including a cutting head pivotally mounted at an upper end thereof onto a reduced shank of the handle to permit spaced parallel alignment overlying the handle, wherein the cutting head includes an arcuate upper surface with coextensive cutting edges mounted adjacent the bottom surface of the cutting head. An abutment bar is pivotally mounted to a bottom surface of the cutting head limiting penetration of the cutting head within a nostril cavity of an individual utilizing the organization.

Abstract: A rotary hair trimming device for trimming body hair in the nose, ears, and other locations includes a housing having an internal rotary electric motor. A rechargeable battery is selectively connectable to the motor by a switch for driving a generally cylindrical cutting head. Electrical contacts in a base of a housing are engageable with a recharging base for recharging the batteries when the device is not in use. The cutting head is formed by a series of circular disks spaced along a central shaft. Thin rectangular cutting blades are circumferentially spaced about a periphery of each disk. A hemispherical zone is formed on an end portion of the cutting head by a plurality of arcuate segment blades. A generally cylindrical cap is secured over the cutting head and includes a plurality of hair receiving apertures. The cutting head is provided in different sizes for performing various different trimming operations.

Abstract: A portable hair trimming device for personal grooming operations includes a thin triangular housing having a hollow interior portion. An open slotted portion is formed in one side wall of the housing and a trimming implement has one end pivotally mounted adjacent an apex of the housing and is mounted for movement through the open slotted side wall into and out of the hollow interior housing portion. The trimming implement has a first side edge provided with a moustache comb and an opposite side edge provided with a trimming razor. A double-edged razor blade is mounted in a reversible manner in the trimming razor. A cylindrical nose hair trimmer is mounted in a holder on one side wall of the housing. A shallow triangular receptacle having a removable cover is provided on one face of the housing for storing a quantity of moustache wax.

Abstract: The invention is a device for opening heat sealed cellophane bags and packages. It is formed of a support bracket assembly, a doubled edged razor blade, and a safety guard assembly. The support bracket assembly is secured to the bottom surface of a cabinet or shelf. One end of the razor blade is inserted into a horizontal slot on the front wall of the support bracket assembly and it is secured in position by a screw. The other end of the razor blade is inserted into a horizontal slot in a vertical wall surface of the safety guard assembly and it is secured therein by a screw. The safety guard assembly is thus entirely supported by the razor blade and at a predetermined spaced distance from the front wall of the support bracket assembly so that a sealed cellophane bag or package can be drawn between their respective wall surfaces thus allowing the razor blade to cut off the heat sealed end of the bag.

Abstract: A surgical cutting instrument comprising an outer tube having a peripheral wall and a longitudinal axis. The outer tube has a plurality of openings arranged generally longitudinally along the outer tube. Each of the openings has first and second cutting edges defining portions of the periphery of such openings. An inner cutting member is rotatable within the outer tube. The inner cutting member has at least one cutting edge cooperable with the first and second cutting edges of the openings of the outer tube for cutting material from within the patient with a shearing action.

Abstract: A surgical cutting instrument comprising an outer tube having a peripheral wall, an end wall and an opening in the peripheral wall and the end wall. The outer tube has first and second cutting edges defining portions of the periphery of the opening, and the cutting edges intersect at an angle of at least about 90 degrees to define a corner. An inner cutting member is rotatable within the outer tube. The inner cutting member has a cutting edge cooperable with both the first and second cutting edges of the outer tube for cutting material with a shearing action that progresses along both of the first and second cutting edges toward the corner.

Abstract: A surgical cutting instrument comprising an outer tube having a peripheral wall and a longitudinal axis. The outer tube has a plurality of openings arranged generally longitudinally along the outer tube. Each of the openings has first and second cutting edges defining portions of the periphery of such opening. Each of the first cutting edges is substantially straight as viewed in a particular direction perpendicular to the longitudinal axis of the outer tube. An inner cutting member to rotatable within the outer tube. The inner cutting member has a cutting edge cooperable with the first and second cutting edges of the openings of the outer tube for cutting material from within the patient with a shearing action.

Abstract: A disposable microsurgical knife having a blade guard that can be locked into a blade covering position and then easily removed from the knife body prior to introduction to the sterile field is disclosed. The blade guard includes a cylindrical sleeve having a longitudinal slot communicating with a forward open end thereof and terminating in a circumferential notch. The knife body includes a small locking tab formed adjacent a forward tapered portion of the knife. The blade guard is initially assembled on the knife by longitudinally sliding along the knife body from a rear end thereof until the locking tab enters the longitudinal slot assisted by a funnel-shaped leading end for ease of entry. In the blade covering position, simple rotation of the sleeve forces the locking tab into the circumferential notch. For easy removal, reverse rotation of the sleeve causes the tab to re-enter the slot whereupon the sleeve is removed from the knife by sliding rearwardly along the knife body.

Abstract: An improved lipectomy device, or cannula, is disclosed having inner and outer tubes. The outer tube has an elongated aspiration aperture, and the inner tube has a spiral slot. A mechanism inside the handle of the device causes the inner tube to rotate, creating a traveling hole effect along the aspiration aperture. This obviates the necessity of the surgeon repeatedly pushing the cannula in and out.

Abstract: A holder for a surgical blade comprising a handle and a detachable blade shield integrally formed with said handle, the blade shield including a member defining a sleeve into which the blade can be inserted after detachment of the shield from the handle.

Abstract: An improved chain saw of the power driven type adapted to be held by an operator using two hands, as well as a wrist support for a chain saw. The improved chain saw has a housing including a first and second handle. A cutting chain apparatus extends from the housing. At least one wrist support is fixedly interconnected with the housing at a predetermined location thereon between one handle of the first and second handles and the cutting chain apparatus, such that, when the operator grips the one handle with one hand, during a kickback condition the wrist support prevents inadvertent rotation of the wrist associated with the one hand.

Abstract: A hand guard for a hacksaw has main portions extending outwardly and rearwardly from a rear post of the hacksaw frame and top and bottom portions smoothly connecting upper and lower regions of the main portions with upper and lower regions of the rear post. The guard forms a cup-like receptacle for the fingers and knuckles of the hand of the user to protect them from contact with foreign objects. The top portions of the guard have depressions therein for receiving the thumb of the user in a comfortable extended position.

Abstract: An improved knife having an elongate grip and a bolster joined to the grip adjacent the handles front end. The bolster includes a swept-forward thumb wing which extends adjacent a blade opposite the cutting edge to provide a wider-than-blade thumb-force-transmitting pressure platform.

Abstract: This invention concerns about an improvement in a vibrissa cutter. This cutter is preferrably referred to such one that comprises exterior blades mounted on an exterior shell, interior blades mounted on an interior blade rod and an interior blade turning cylinder equipped with a stopping pin on its top. A notch with a proper width is cut out around the bottom wall of said exterior shell. Said interior blade rod is combined together with said interior blade turning cylinder by means of a screw put through side of said turning cylinder and then the upper part of said interior rod is inserted in the inside of said exterior shell, and the stopping pin is to be placed in said notch. Said interior blade will turn to and fro at the same speed as the turning cylinder is turned to and fro by user's fingers to cut off those vibrissae that come into the openings of exterior and interior blades and said stopping pin is allowed to move only within the limited distance of said notch's width.

Abstract: A martial arts weapon having a multiplicity of blades and striking surfaces and further providing a trap for grasping a stabbing blade of an opponent.