Abstract: Various pieces of jewelry and methods of manufacture and use thereof. In particular, these technologies enable a piece of jewelry with a region hosting (i) a hidden hinge and (ii) a decorative element. The decorative element includes a first wall and a second wall opposing the first wall such that the first wall and the second wall collectively define the decorative element when the hidden hinge is closed, thereby enabling a visually continuous appearance when viewed by an observer, and not collectively define the decorative element when the hidden hinge is open, thereby not enabling the visually continuous appearance when viewed by the observer. Therefore, by having the decorative element include the first wall and the second wall, the visually continuous appearance is enabled when the hidden hinge is closed.

Abstract: A ring with a rotation and a lock function to selectively display multiple jewels is configured to comprise a first side including a first hole; a second side positioned in an opposite side to the first side and including a second hole that is smaller than the first hole; a third side bended from the first side; a fourth side bended from the first side and positioned in an opposite side to the third side; a space formed between the first and the second side; a plurality of receivers positioned in the space and meeting with the second side; elastic members respectively positioned in the plurality of receiver, and jewels respectively sitting on the elastic members, wherein the second side and the plurality of the receivers are rotatable in a state that the first, the third, and the fourth side are fixed.

Abstract: A forehead bindi-holding device for holding at least one bindi and configured to be arranged on a supporting object worn by a user, wherein when the user wears the supporting object with the forehead bindi-holding device, the at least one bindi is on a desired specific spot of a forehead of the user. The forehead bindi-holding device includes one or more cups, wherein each of the one or more cups supports, holds and contains each of the at least one bindi; a cups-holder to support the one or more cups; one stem element to support the cups-holder at an upper end of the stem element; an attachment unit for attaching a lower end of the stem element to the supporting object.

Abstract: A fastening device includes a case, a spool and a knob. The case includes a housing and a base. The housing includes a receiving space and two side holes communicated with the receiving space. The base is detachably connected to the housing. The base includes a continuous wall, and the continuous wall surrounds a lower edge of the housing after the base is connected to the housing. The spool is received in the receiving space and configured for a lace passing through the side holes to be wound therearound. The knob is disposed on the case. Rotating the knob relative to the case in a fastening direction causes the spool to rotate in the fastening direction for fastening the lace.

Abstract: A hook-and-eyelet retainer protects a brassiere hook-and-eyelet clasp from becoming detached in the laundry to prevent damage to the brassiere, other undergarments in the laundry and/or the laundry machine. A hook-and-eyelet retainer has a first and a second retainer portion that are coupled together by a hinge. The first and second retainer portions pivot about the hinge to receive a hook-and-eyelet clasp and wing band. The hook-and-eyelet retainer is then closed and a post on a first retainer portion extends through a closure aperture on a second retainer portion to secure the hook-and-eyelet retainer in a closed position. A plurality of teeth extends up from one or both of the retainer portions to grip onto the hook-and-eyelet clasp and/or the wing band. One or both of the planar retainer portions may be recessed to accommodate the thickness of the brassiere hook-and-eyelet clasp or clasp strap or hook-and-eyelet and wing band.

Abstract: A signage apparatus includes signage and an attachment mechanism. The signage includes front and rear faces. The attachment mechanism includes a base, a cap, outer stabilizers, and a flexible component. The base includes base upper and lower sides. The base upper side is attached to the rear face of the signage. The cap includes cap lower and upper sides. The outer stabilizers extend between outer cap portions of the cap upper side and outer base portions of the base lower side. The outer stabilizers, the cap upper side, and the base lower side form an aperture extending through the attachment mechanism. The flexible component extends between the outer stabilizers and between the cap upper side and the base lower side. The flexible component includes at least one slit. The attachment mechanism is configured to receive a piece of apparel through the at least one slit and the aperture.

Abstract: A band for securing an electronic device to a user may include a monolithic band body having proximal and distal ends for coupling to a body of the electronic device. The monolithic band body may include an elastic material that is elastically stretchable between (1) a fitted mode where the electronic device is secured to a limb of the user, and (2) a stretched mode for fitting over the limb of the user.

Abstract: This disclosure enables various piercing techniques, earrings therefor, and methods of manufacture and use thereof. In particular, these technologies can preclude a bystander from readily comprehending how an earring is attached to an ear of a wearer when the bystander views the ear of the wearer frontally straight-on. This preclusion occurs by providing a floating effect for the earring based on where the ear is pierced and how the earring is structured.

Abstract: The present invention utilizes a female coupler and male coupler to connect jewelry. The male coupler, featuring a stop, a shaft, and a buffer slides into a first channel within the shoot portion of a female coupler. The stop is rotated into position within a second channel of the scoop portion of the female coupler. The scoop portion secures the male coupler within the female coupler until a user forcibly rotates the stop to remove it from the scoop portion. The present invention only requires grasping of each of coupler and does not require squeezing any components.

Abstract: An adjustable link (10) for watch or jewellery bracelet (100), including a first element (1) and second element (2) assembled by spacing adjustment means (30) according to discrete positions, the first element (1) including a transverse chamber (15) enclosing two jaws (12A; 12B) returned one towards the other by springs (13A; 13B) and including notches (120A; 120B) for immobilising in various longitudinal positions (D) a stop element (5) integral with the second structural element (2), these jaws (12A; 12B) being disengageable by transverse push-buttons (3A; 3B), each including a protrusion or recess (31) continuously engaging with an complementary protrusion or recess (131) of the first structural element (1) for protecting the spacing adjustment means (30) against the insertion of foreign bodies, and for hiding same from the view of the user.

Abstract: An interchangeable decorative element system includes a decorative portion and a base portion. The decorative portion holds a decorative element and includes a plurality of studs. The base portion has a plurality of tracks, each of which has a guiding portion configured to be engaged by a respective stud of the decorative portion. In a first configuration, the decorative portion is aligned with the base portion, such that each of the decorative portion is received within the first end of the guiding portion of a respective track of the base portion. Rotation of the decorative portion in a first direction relative to the base portion causes each stud received within the first end of the guiding portion of each track to move along the guiding portion until the stud engages the respective catch, thereby transitioning the interchangeable decorative element system from the first position to a second, assembled position.

Abstract: A sparkling, oblong-shaped precious stone, such as an emerald or cushion cut diamond is formed by a planar table facet, a girdle, two pairs of long crown facets located between the table facet and the girdle, and the two pairs of long pavilion facets located between the base of the stone and the girdle.

Abstract: A band piece including a first piece, a second piece which covers one of front and back surface sides of the first piece, a pin which connects the first piece and the second piece and connects the band piece and another band piece.

Abstract: A watch can include a watch band having a first strap segment, a second strap segment, a nest portion secured between the first strap segment and the second strap segment, and an opening extending through the nest portion. The watch can further include a housing releasably mountable to the nest portion, and a sensor disposed within the housing and configured to align with the opening when the housing is mounted to the nest portion.

Abstract: A jewelry apparatus can include a base member having a hippocrepiform configuration, the base member having a first prong and a second prong. The jewelry apparatus can include a coupling member operably configured for attachment to the base member. The coupling member can include a disk member having a first side and a second side, the first side having a first set of indicia depicting a first partial portion of a word, the second side having a second set of indicia depicting a second partial portion of the word, a first projection extending from the disk member operably configured for attachment to the first prong and a second projection extending from the disk member operably configured for attachment to the second prong. The first projection or the second projection is configured to produce a tactile indication when inserted into or removed from the first prong or the second prong.

Abstract: A band may include a first strap and a second strap. The first strap may include a first strap body, a first connection portion and a first mating portion. The first strap body may define a connection hole between the first connection portion and the first mating portion. The second strap may include a second strap body, a second connection portion, a second mating portion and a buckle. The second mating portion may be arranged between the second connection portion and the buckle. The buckle is configured to be inserted into the connection hole to connect the first strap body and the second strap body. The second mating portion may be configured to be attracted to and coupled with the first mating portion.

Abstract: Disclosed is a modular earring assembly including two or more separate earring components that may be connected together in a variety of different ways to provide different earring presentations to the user or be separately used. The modular earring assembly allows a user to pick and match two or more earring components in the assembly to a desired presentation or to use any one component of the modular earring assembly alone. The modular earring assembly provides a way to manage the demand for multiple earring presentations. This disclosure allows woman and men to have more earring choices anywhere anytime.

Abstract: A souvenir holder that is wearable through one or more band portions configured to form a loop. The one or more band portions provide penetration holes operatively associable with a breakaway closure system configured to move the loop between a locked engagement and an unlocked engagement. The unlocked engagement is defined by at least two modes, including a breakaway mode wherein the breakaway closure system breaks when one or more of the band portions are caught on an object while worn.

Abstract: The disclosure relates to a ring structure with an adjustable size, which includes an outer ring, an inner ring, and a concave-convex structure. The outer ring has an inner wall. The inner ring is removably fitted inside the outer ring and has an outer wall abutting against the inner wall. The concave-convex structure includes a protrusion connected on either one of the inner wall of the outer ring and the outer wall of the inner ring and a slot disposed on another one of the inner wall of the outer ring and the outer wall of the inner ring. The protrusion is mortised in the slot. Therefore, the inner ring is removably fitted inside the outer ring to generate a ring with various sizes for different users. The ring structure of this disclosure may have the advantages of providing various sizes and saving costs.

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper main crown facets, upper intermediate crown facets, lower main crown facets, lower intermediate crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, lower candle facets, lower main pavilion facets, upper candle facets, upper main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.