A fastening and/or connection device makes it possible to fasten jewellery and/or costume jewellery items. Each item includes a first free end and a second free end that are joined together. The device includes a first portion to connect to the first free end of the item and a second portion suited to be connected to the second free end of the item. The device includes a main body, first connection means suited to place the main body and the first portion in a disengaged operating configuration or in an engaged operating configuration. A second connection means places the main body and the second portion in a disengaged operating configuration or in an engaged operating configuration.

An improved quick-release connector that may be used with a pet collar. The connector is fabricated entirely of metal and operates using one magnet. The connector is easily modified to break apart under different pull forces.

The invention relates to a jewelry clasp, comprising two fastening parts, which each have, among other things, a permanent magnet. The invention further relates to the use of such a jewelry clasp as a safety closure and/or fastening system, to bracelet comprising such a jewelry clasp, and to a kit comprising at least two bracelets.

A bracelet or flexible band comprised of a flexible member that on one end is interconnected to a knife and on another end, is connected to a sheath that selectively receives the knife in the locking fashion. When needed, the knife is rotated within the sheath to facilitate release thereof from a lock that is integral with the sheath. Once removed from the sheath, the knife can be used for self-defense, cutting rope or cord in an emergency situation, or for general utility cutting tasks.

A jewelry clasp is provided that comprises a key, a casing, and a locking mechanism. The casing comprises an external body with an internal cavity having an opening for receiving the key and another opening into which the locking mechanism is partially disposed. The locking mechanism comprises a lever and a spring. The lever has a locking end configured to engage the key in a fixed position relative to the casing, and a pressing end for disengaging the lever from the key. The spring provides tension to the lever to facilitate engagement of the key.

A band configured to couple a device to a body of a user is disclosed. The band includes a first link comprising a recess defined in a body of the first link, a leaf spring positioned in the recess and comprising a tongue portion protruding from the leaf spring, and a second link coupled to the first link and comprising first and second lip portions extending away from a body of the second link and separated from one another by a gap. The tongue portion is positioned in the gap between the first and second lip portions, and the first and second lip portions engage the leaf spring to retain the second link to the first link.

An accessory attachment system that embodies devices and a method for converting clasp-style fasteners to push-pull detachable fasteners, thereby facilitating attachment of accessories having clasp-style fasteners or any accessory having opposing ends so that they are “ready-to-wear”.

The present invention relates to a buckle type jewelry lock catch, comprising a lock catch body, a buckle sleeve and a buckle, wherein one end of the buckle sleeve is provided with a buckle sleeve matching surface, the other end of the buckle sleeve is provided with a buckle inlet, and an internal wall of the buckle sleeve is provided with lock pins; an external surface of the buckle is provided with U-shaped clamping grooves, a spring chamber is provided inside the buckle, and a spring is provided in the spring chamber; and a thimble of the spring is provided at one end of the buckle, and a connecting mechanism of a jewelry chain is provided at the other end of the buckle. The present invention effectively combines firmness with beautiful appearance, and obtains unexpected technical effects, i.e. firmer and safer, thereby expanding the application range and being more suitable to be used in combination with precious jewelry. The style is fashionable, and the service life is long, which are taken as double insurance. Meanwhile, the present invention has decorativeness and artistry, thereby improving the competitive advantage of the product.

The bracelet has more than one main platform fixed on one another so as to form a ring, more than one main assembly item enabling affixation of each main platform onto one another and a decorative part installed on each main platform in a removable manner without disturbing the ring-shaped form of the bracelet.

A survival wristwatch includes a timepiece and a wristband that include integrated survival kit features for assisting a user with various survival tasks. The wristband includes a cord, or paracord, winding or braiding around a strap. The strap is uniquely designed to integrate with the cord and provide adjustability of the wristband.