Abstract: A WETSUIT which is a 3D WETSUIT with at least one depth component on at least one portion of the Garment or Outfit or to any component of the WETSUIT providing for a higher level of Character authenticity by the utilizing or adding of three dimensional materials either integrated or associated with or attached to and therefore significantly improving upon the role play and dress up experience of the wearer the garment or outfit incorporating texture, fabric, a greater involvement of the sense of feel so that more senses are used other than vision.

Abstract: A Rash Guard which is a 3D rash guard with at least one depth component on at least one portion of the Garment or Outfit or to any component of the Rash Guard providing for a higher level of Character authenticity by the utilizing or adding of three dimensional materials either integrated or associated with or attached to and therefore significantly improving upon the role play and dress up experience of the wearer the garment or outfit incorporating texture, fabric, a greater involvement of the sense of feel so that more senses are used other than vision.

Abstract: Elastomeric articles, such as gloves, made from more than one layer, are provided. The gloves can include a first (grip side) layer in which a first colorant is compounded or integrated and a second (donning side) layer in which a second colorant is compounded or integrated. Alternatively, the gloves can include a translucent first layer and a second layer in which a colorant is compounded or integrated. Either arrangement can enable a breach of the first layer to be more easily detected, either due to the high level of contrast between the first layer and the second when a first colorant and a second colorant are utilized, or due to the translucence of the first layer as compared to the donning side layer, where the intensity of the second layer is increased upon a breach of the translucent first layer.

Abstract: A method for making a special purpose glove, the glove includes a glove main body and an attachment portion is mounted to the glove main body, the glove main body includes a dorsal portion is constituted of a portion of the glove main body that configured to cover the dorsum of an operator's hand when an operator wears the glove main body, and a palmar portion is constituted of a portion of the glove main body that adapted to cover a region other than the dorsum of the an operator's hand, includes attaching the attachment portion to the dorsal portion through sewing, and connecting the palmar portion and the dorsal portion, comprising the attached attachment portion, to each other through sewing.

Abstract: A lining system for articles of clothing is provided. The lining system enabling easy access to inward facing surfaces of outer panel portions of the article of clothing that incorporates the lining system. The lining system includes a plurality of detachable fasteners, each adapted to selectively move between a closed configuration and an open configuration providing access to the inward facing surfaces of the outer panel portion for applying patches thereto.

Abstract: An apparel cinch apparatus for securely gathering or taking up slack or adjusting a hem in an article of clothing is provided. A magnetic first member and a magnetic second member coupled via a longitudinal link strap are featured. A user may gather a portion of the article of clothing and secure said gathering by meeting the first member and the second member such that the portion of the article of clothing gathered by the user is secured in place by the longitudinal link strap. To store the cinch apparatus, a closing component is removably attached to the first member to prohibit the magnetic force from acting upon objects external to the apparatus.

Abstract: An article may include a base structure with a strand and an adjustment member. The adjustment member may include a course with a plurality of loops, and the strand of the base structure may be inlaid within the course of the adjustment member adjacent to a first loop and a second loop of the plurality of loops. The adjustment member may be configured to slide along the base structure from a first state to a second state such that the first loop and the second loop define a first loop distance in the first state, and the first loop and the second loop define a second loop distance in the second state. The first loop distance may be greater than the second loop distance.

Abstract: A garment retention device has a first segment having a first terminal end. A second segment is provided having a second terminal end, wherein the first segment and the second segment are attached to one another, wherein the first terminal end is separated from the second terminal end by at least two curves, where each of the at least two curves has a trough.

Abstract: An apparatus adapted to flock fibers upon one or more surfaces. The apparatus may include a container, a plurality of panels, and a filtering layer. The fibers may be human hairs, and the one or more surfaces may be a human head. The panels may be adapted to open and close a cavity in the container. One or more of the panels may be adapted for fibers to be chopped upon it. One or more of the panels may be transparent, and there may be handles affixed to one or more of the panels. The filtering layer may be adapted for fibers of one or more predetermined characteristics to pass through it.

Abstract: A head wrap is an apparatus that is used to protect and decorate a user's head. The apparatus includes a head-bracing body, an elastic strip, a first lateral tail, a second lateral tail, a first intermediate tail, a second intermediate tail, a plurality of ornaments, and a ventilation mechanism. The head-bracing body is the primary coverage means for the back of the user's head. The elastic strip connects to the head-bracing body to allow the head-bracing body to expand in order to fit different head sizes. The first lateral tail, second lateral tail, first intermediate tail, and second intermediate tail each connect to the head-bracing body, allowing for coverage of the user's head. The at least one ornament relates to a decorative unit or several units capable of being tied to the first lateral tail, second lateral tail, first intermediate tail, and second intermediate tail as a means of displaying the decorative pattern.

Abstract: A double-shell helmet is disclosed. The double-shell helmet includes an outer shell, an impact absorbing material layer affixed to the outer shell on a first side of the impact absorbing material layer, an inner shell affixed to the impact absorbing material layer on a second side of the impact absorbing material layer opposite the first side of the impact absorbing material layer, and a foam layer affixed to the inner shell.

Abstract: The present disclosure can be embodied by a detachable assembly, for example a helmet and headphone assembly. A locking assembly can be configured to removably attach the headphones to the helmet in a locked position. In the locked position, the headphones can be locked horizontally onto the helmet, and a portion of ear cups of the headphones may be received at least partially through a pair of ear cup receiving apertures that extend through a shell of the helmet.

Abstract: A method for making a footwear upper assembly, including knitting a tube to form first and second sock portions integrally joined at an intermediate portion; defining a first sock void and a first opening in the first sock portion; turning the second sock portion inside out, folding relative to the intermediate portion, and moving the second sock portion into the first sock void; inserting a footbed through the first opening into a footbed void formed between first and second lower panels of respective first and second sock portions; and closing the first opening to trap the footbed between the first and second lower panels. Alternatively, the method includes placing the knit tube on a last, placing a footbed adjacent the first lower panel, turning the second sock portion right-side out and moving it around an exterior of the first sock portion, and trapping the footbed within the footbed void.

Abstract: Described are shoes for ball sports including an upper having an outer surface. An actuator is configured to change at least one surface property of a portion of the outer surface of the upper, and a sensor is configured to be sensitive to movements of the shoe. A processing unit is connected to the actuator and the sensor and configured to process sensor data retrieved from the sensor and to cause the actuator to change the at least one surface property of the portion of the outer surface of the upper if a predetermined event is detected in the sensor data.

Abstract: An antistatic shoe with a conductive member includes: a sole made of conductive material; a conductive member having a first conductive portion, a resistor and a second conductive portion; and an insole disposed on the sole. The conductive member is sandwiched between the insole and the sole, and the insole has a conductive portion made of conductive material, wherein the resistor is electrically connected to the first conductive portion and the second conductive portion, the conductive portion is electrically connected to the first conductive portion and disposed in an offset manner to the second conductive portion, and the second conductive portion is electrically connected to the sole. Or, an insulating member made of a non-conductive material is provided between the insole and the conductive member to cover the second conductive portion and the resistor.

Abstract: Devices with internal flexibility sipes, such as slits, provide improved flexibility, improved cushioning to absorb shock and/or shear forces, and improved stability of support. Siped devices can be used in any existing product that provides or utilizes cushioning and stability. These products include human and other footwear, both soles and uppers, as well as orthotics; athletic, occupational and medical equipment and apparel; padding or cushioning, such as for equipment or tool handles, as well as furniture; balls; tires; and any other structural or support elements in a mechanical, architectural, or any other product.

Abstract: A cushioning article includes a bladder enclosing an interior cavity and retaining a gas in the interior cavity. A tensile component is disposed in the interior cavity and includes tensile layers and a plurality of tethers connecting the tensile layers. The tensile layers are connected to an inner surface of the bladder such that the tethers span across the interior cavity. The bladder has an inwardly-protruding bond that joins an inner surface of the bladder to the tensile component, protrudes inward into the interior cavity, and partially traverses the plurality of tethers such that the bladder is narrowed at the inwardly protruding bond and the gas in the interior cavity fluidly communicates across the inwardly-protruding bond. A method of manufacturing a cushioning article is disclosed.

Abstract: A cushioning article comprises a first and a second polymeric sheet bonded to one another and enclosing an interior cavity. The polymeric sheets retain a gas in the interior cavity. A tensile component disposed in the interior cavity includes a first tensile layer, a second tensile layer, and a plurality of tethers spanning the interior cavity and connecting the first tensile layer to the second tensile layer. An inwardly-protruding bond joins the first polymeric sheet to the first tensile layer, protrudes inward from the first polymeric sheet toward the second polymeric sheet, and partially traverses the plurality of tethers. The first polymeric sheet is displaced from the first tensile layer adjacent to the inwardly-protruding bond by the gas. A method of manufacturing a cushioning article is disclosed.

Abstract: Shock/impact relieving footwear inserts that include a main body member having an upper surface and a lower surface, a plurality of spaced apart cavities extending downward from the upper surface, a plurality or protrusions extending downward from the lower surface, and a projecting wall extending from the upward surface. The main body member and/or the projecting wall can include one or more holes/vents for ventilation. The protrusions can be interconnected to form a lattice, or not interconnected. A primary aperture in the main body member can accommodate a resiliently compressible and slidable shock absorber.

Abstract: A shoe with a spring heel is provided. The shoe includes a shoe top portion, a sole and a spring. The shoe top portion is operable to retain a user foot within. The sole is secured to the bottom of the shoe top portion. The sole includes a front toe portion and a rear heel portion. The rear heel portion includes an upper inner surface and lower inner surface formed by a cutout portion. The spring is disposed within the cutout portion. The spring includes an upper plate and a lower plate joined by a U-shaped bend. The upper plate is secured to the upper inner surface and the lower plate is secured to the lower inner surface of the rear heel portion.

Abstract: A closure device including a beam, a catch at a distal end of the beam, a hinge connected to the beam, the hinge including a bi-stable spring and a shape memory element, and a controller connected to the shape memory element, the controller selectively delivering power to the shape memory element to change a state of the bi-stable spring.

Abstract: A method for making a shoe in a three dimensional manner includes: a step of sewing and weaving, a step of prototyping, a step of inserting an insole, a step of seaming, a step of inserting a shoe tree, a step of pressing which includes: preparing a sole mould filled with a semi-cured sole, and a decorative-member mould filled with a semi-cured decorative member, pushing the decorative-member mould against the vamp with the semi-cured decorative members and the semi-cured sole pressed against the bottom surface; and a step of heating which includes: heating the cloth sleeve to melt the semi-cured sole and decorative members; the decorative members and the sole will be fully cured.

Abstract: A buckle device including: a tongue plate; and a buckle main body configured to be engaged with the tongue plate, the buckle main body including: a cover having a tongue plate guide portion; a resin release button forming a tongue plate insertion port between the tongue plate guide portion and the release button; and a frame configured to slidably support the release button and having a bottom wall and a pair of side walls, wherein protruding portions protruding inward so as to overlap with the tongue plate inserted from the tongue plate insertion port are provided on end portions of the pair of side walls of the frame on the side of the tongue plate insertion port, respectively, and wherein the release button has a front wall and at least one extending portion extending from the front wall through a space between the protruding portions and the bottom wall.

Abstract: An ornament assembly with a suspension effect, including a base having a bottom frame and a transparent bottom cover, the transparent bottom cover being fixed on the bottom frame; a top frame fit combined with the base to form an integral body, wherein a transparent top cover is fixed on the top frame and the top cover is fit with the transparent bottom cover to form a holding space; a first magnetic member provided on the base; and an ornament, wherein a second magnetic member is provided on the ornament. The ornament is provided in the holding space and magnetic poles of the first magnetic member and the second magnetic member are oppositely arranged such that the ornament is suspended in the holding space under the repulsive force of magnetic forces.

Abstract: A collet capable of increasing a degree of exposure of an ornament and providing high productivity is provided. The collet includes two plate members 3 and 5 that hold an ornament 7. The respective plate members 3 and 5 include support portions 9 and 23 that each include a region with which a back surface side of the ornament 7 is in contact. The respective plate members 3 and 5 include pairs of claw portions 11a and 11b, and 25a and 25b which extend from distal ends of the support portions 9 and 23, and are formed to be able to be locked on the front surface side of the ornament 7. Furthermore, the respective plate members 3 and 5 include notched portions 21 and 37 where the support portions 9 and 23 are caused to cross each other and engage with each other.

Abstract: Several embodiments are provided of a device which is tunable for providing a walking aid user with passive haptic feedback. The haptic feedback is provided to the user when a predetermined, desired force in the device is reached. The force, often simply an axial force, in the device is inputted by the user, who is looking to support some of his or her body weight, thereby taking some weight off of one or both legs for some purpose. The amount of body weight support the user would input is often expressed in terms of percentage of the user's total body weight, and can therefore be predetermined and the device tuned accordingly.

Abstract: The current invention is an LED-lighted walking-cane. It is a fixed-height cane, with a string of LED lights coiled along the entire length. The user turns the lights on and off with a switch on the handle. The lights are battery-powered. The battery pack is stored in a cavity within the cane.

Abstract: A robotic umbrella, comprising a base assembly, a support assembly coupled to the base assembly, one or more shading assemblies coupled to the support assembly, one or more processors and one or more memory devices. The robotic umbrella comprises computer-readable instructions stored in the one or more memory devices, accessed from the one or more memory devices which are executed by the one or more processors to: a) determine a geographical location of the robotic umbrella utilizing at least one of a wireless communication transceiver or a global positioning system (GPS) transceiver, or a combination thereof; and b) determine an orientation of a light source with respect to the robotic umbrella utilizing at least one of a compass, an accelerometer, a magnetometer or a gyroscope, or combination thereof. The robotic umbrella further comprises one or more distance sensors to calculate a distance from the robotic umbrella to the object.

Abstract: A radio-frequency identification blocking travel wallet for holding cash, credit cards, photo identification, etc. A money clip, a quick access pocket, a plurality of pockets, an identification pocket, and a terminal pocket are integrated with a wallet body having a first wallet section, a second wallet section, and a pliable mid-section. The pliable mid-section is positioned in between the first wallet section and the second wallet section, forming a bi-fold structure. The money clip is integrated into the pliable mid-section, while the quick access pocket and the plurality of pockets are integrated into the first wallet section. Meanwhile, the identification pocket and the terminal pocket are integrated into the second wallet section; a pull-strap allows contents of the terminal pocket to be readily retrieved. A security lining is integrated into the wallet body, the quick access pocket, and the plurality of pockets to prevent identity theft.

Abstract: A handbag system consisting of a plurality of independent purse modules capable of functioning independently of one another and each having fastening means for securing one or two more of the separate pieces together to become a singular purse in the style and size preferred that can be two, three, four, five or more modules put together. The module purse system also includes a variety of sets of completion fastener covers, specifically designed to allow each of the purse modules to function independently or as an assembly of modules. Furthermore, as a part of this modular purse system, these sets of fastener covers can be organized in a manner on material, so that each set of fastener covers can be attached on to other accessories, including wearable accessories and then be worn individually as a wearable accessory, including a bracelet, necklace, anklet, hat band, belt or even as a wearable pet accessory, including a cat collar, dog collar or animal or dog leash.

Abstract: A book enclosure for the storage, transport and display of decorative pins. The book has page (s) that open for the viewing, securing, protecting and safe transportation of decorative pins in which the page surface is comprised of a puncturable and resilient material for the piercing through and repositioning of the post (s) portion of a decorative pin(s) and defining a mounting surface for decorative pins. Between the page (s) there is a protective page to prevent decorative pins from contact and potential damage. A translucent front with a zipper allows for the display and viewing of decorative pins. A zipper closure allows for the secure closure to protect pins from falling out. The book has a removable strap for shoulder or cross-body portage or to hang for display. The back of the book has a pouch enclosure for the storage of pin backs.

Abstract: A case for a mobile device, including first, second, third, and fourth sides, each with inside and outside surfaces opposite to each other. The inside surfaces of the first and second sides face each other. The inside surface of the third and fourth sides faces each other. The first and second sides are arranged between the third and fourth sides, and the third and fourth sides are arranged between the first and second sides, so that the four sides form at least part of a frame configured to surround a periphery of the mobile device. At least one of the inside surfaces of the first, second, third, and fourth sides includes triangular protrusions that have a triangular cross section and extend toward the inside of the case, so that an apex of each of the triangular protrusions contacts the mobile device when it is arranged inside the case.

Abstract: A luggage article, such as luggage case, with zipper pull-tabs laterally engaged along inner sides and separably secured by a magnetic force, without interlocking with each other, to allow enhanced manipulation of the zipper pull-tabs, zipper sliders and optionally improved operation of the lock mechanism.

Abstract: An ergonomically configured handle apparatus for peripheral device includes a contact surface devised to selectively secure to a peripheral device. A thenar contact portion and a digital contact portion are ergonomically configured for comfortable wielding of the peripheral device attached at the contact surface. Each of a user's digits is accommodated recessed into each of a first and second obverse surface proximal the contact surface, whereby the distal phalanxes of a user's digits do not contact or impede attachment of the peripheral device to the apparatus. A tactile cursor control is provided having at least one directionally sensitive member and at least one button disposed upon the apparatus in position appropriate for control by the user's digits grasping the apparatus. Single-handed operation and wielding of the attached peripheral device is thereby enabled by one hand of the user.

Abstract: There is provided a wig base, wherein a combined mesh pattern is formed by overlapping a first net member (21) having a first mesh pattern with a polygonal shape, and a second net member (22) having a second mesh pattern with a polygonal shape, the combined mesh pattern is formed by meshes located inside an outer edge of the first net member (21) and meshes located inside an outer edge of the second net member (22), and the combined mesh pattern includes meshes whose mesh sizes are relatively different, and a wig formed by planting false hairs to the wig base.

Abstract: A device including a headband implement having a fabric with an outer surface and an inner surface, a hairclip implement configured to be operable for engagement with the headband implement, a base section of the hairclip implement configured to be encased between the outer surface and an inner surface of the headband implement, a plurality of prongs configured to slide into a hair of a user, and a tab implement operable for securing a hairclip implement to an internal surface of the headband implement.

Abstract: A device for selectively entraining hair strands from the scalp has at least one hooking applicator, the at least one hooking applicator employing a hook that rotates to entrain the hair strands, a hair color container having hair color therein and a way to apply the hair color to the entrained hair stands. The at least one hooking applicator forms a channel between a surface of the hook and a surface of a body portion of the at least one hooking applicator having a hair color outlet therein to better accommodate high viscosity liquid hair color. The hook and/or the at least one hooking applicator includes a recess to hold entrained hair and permit hair color to fill the recess for application. A trigger mechanism first rotates the hook to entrain hair strands and then squeezes the hair color container to apply hair color to the entrained hair.

Abstract: A touch device usable for a hair dressing apparatus is disclosed. The touch device includes a touch sensing shell, an FPC (Flexible Printed Circuit) board and a PCB (Printed Circuit Board), wherein the touch sensing shell is mounted on the surface of the hairdressing apparatus. The FPC board is attached to the touch sensing shell and mounted between the touch sensing shell and the hairdressing apparatus. The PCB is connected with the FPC circuit board by use of a lead and mounted inside the hairdressing apparatus. The touch sensing shell is capable of sensing actions provided by the fingers of a user and preventing the FPC board from having direct contact with the user. A touch sensing region and a functional control unit are arranged on the FPC board and connected with a central processing unit.

Abstract: A cosmetic container includes an enclosure including an opening; a cup shaped mount including an externally and internally extending rim disposed on the opening for partially disposing the mount in the opening, at least one port adjacent to a bottom portion, at least one valve each disposed in the port, and a main portion; a spring biased plunger partially disposed in the mount and including an annular flange on an outer surface, an inner case partially disposed in the main portion, a first channel defined by the inner case, an outer case extending outward from the flange, and a second channel defined by the outer case; a fibrous applicator including an application head and a cylindrical fastening member disposed in the second channel, and a tunnel extending through the fastening member into the application head; and a cap. The inner case can open or close the valve.

Abstract: A chemical solution supply apparatus (1) includes a container (10) and a chemical solution supply implement (20) that, in a state of being connected to a mouth portion (14), can switch over a state where the container (10) is sealed and a state where a chemical solution in a storage portion (12) is allowed to be supplied to the outside of the container (10). The chemical solution supply implement (20) has a base (30) and a supply body (50). The base (30) has a retaining portion (40), a pressing portion (42), and a restricting portion (34) that restricts displacement of the supply body (50) with coming into contact with the supply body (50) when the supply body (50) is pressed against pressing force of the pressing portion (42). The supply body (50) moves away from the retaining portion (40) to thereby form a supply flow passage, and comes into contact with the retaining portion (40) to thereby block the supply flow passage.

Abstract: A lip balm container includes a first container element that defines a first compartment configured to house a first portion of lip balm such that a second portion of the lip balm extends from the compartment, and a second container element connected to the first container element and moveable relative thereto between a closed and an open position. When in the closed position, the second container element covers the second portion of the mass of lip balm extending from the first compartment of the first container element, and in the open position, the second portion of the lip balm is exposed for use. The second container element remains connected to the first container element as the second container element is moved between the open and closed positions.

Abstract: Makeup stencils and kits include a pair of stencils. Each stencil of the pair includes a surface defining an outer region. There are on the outer region at least one indicium located about a periphery of the outer region. Each portion of the periphery is dimensioned for application of makeup or contouring. A makeup and contouring system includes providing an image of a face to be used with stencils. Guidelines are determined and areas are located via the guidelines. A face is shaped with contouring and lightening to have Golden Ratio proportions via different points and zones.

Abstract: An eyebrow shape guide device and a method thereof are provided. The eyebrow shape guide device includes an image capturing unit, a processor and a display unit. The image capturing unit captures a face image of a user. The processor acquires at least one nose feature point, at least one eye feature point and at least one eyebrow feature point according to the face image, and performs calculation according to the feature points to obtain an eyebrow guide block. The display unit displays the face image and the corresponding eyebrow guide block, and guides the user to put on makeup according to the eyebrow guide block.

Abstract: When a device mounted on a mask pack, and a mask pack and a kit including the device are used, the mask pack may be well attached onto an application site, for example, skin; delivery of a bioactive material via the skin may improve; and itching, pain, burning, and erythema that may occur during a process of delivering the bioactive material to the skin may be prevented by using the device including an electrode.

Abstract: A holder for a beverage container and an electronic accessory has a main body. The main body includes a first open ended compartment; the first compartment being substantially cylindrical. A second open ended compartment extends from and being in facing relation with the first compartment, the second compartment being substantially rectangular. A base extends from the housing in a direction away from the first compartment and has a substantially cylindrical outer circumference.

Abstract: A combined foldable chair and backpack that is movable between and open configuration for a user to sit thereon, and a folded configuration for a user to carry, is provided. The combined foldable chair and backpack includes a frame assembly, a fabric coupled to the frame assembly, a shoulder strap coupled to either the frame assembly or the fabric, and a storage compartment coupled to either the frame assembly or the fabric. The frame assembly includes a seat frame, a back frame pivotally coupled to the seat frame via a hinge assembly, a front leg pivotally coupled to the seat frame by a hinge, and a rear leg pivotally coupled to the hinge assembly by a hinge.

Abstract: An toothbrush having a handle and a head. The handle may include a first component and a second component covering at least a portion of the first component. The first and second components may be chemically compatible. The first and second components may both comprise a hard polyolefin. The first and second components may have different transparencies. In one aspect, the first component may be opaque and the second component may be transparent or semi-transparent. In some aspects, the handle may also include a third component comprising a thermoplastic elastomer. Furthermore, there may be at least one projection extending outwardly from an outer surface of the first component.

Abstract: A bristle band with different types of bristles is provided. The bristle band winds around a rotating shaft and is driven by the rotating shaft to rotate. The bristle band includes: a cord having a receiving slot; a first bristle having a portion disposed in the receiving slot and fixedly connected to the cord; and a second bristle having a portion disposed in the receiving slot and fixedly connected to the cord. With the first bristle and the second bristle being disposed in the cord and a rotating shaft rotating at a constant rotation speed, the bristles passing a cleaning target come in more types than ever, thereby enhancing cleaning efficiency.

Abstract: A piece of furniture, such as a lectern, has a shell with an opening. A rack for electronic equipment is mounted within the shell. The rack can be slid between a stowed position in which the rack is entirely within the furniture and an access position in which the rack extends through the opening and is partially outside the shell.

Abstract: A supporting rack may include a supporting surface, a base, a side supporting member, a center supporting member and a position adjusting unit. In one embodiment, the side supporting member has two side supporting arms, and an upper end of each side supporting arm is pivotally connected with an upper locking unit on one side of the supporting surface and a lower end thereof is pivotally connected to a corresponding side of the base. More specifically, the lower end of each side supporting arm is also connected to a lower locking unit on the base, which is configured to provide not only a stronger support for the supporting surface, but also lock the lower end of the side supporting arms. Similarly, each side supporting arm can be locked through the upper locking unit at a predetermined position according to the user's preference.