The present disclosure provides a wristband and wristwatch. The wristband includes a wristband main body, configured to encircle on a wearing body, that the wristband main body includes a belt body and an inflatable bag arranged on the belt body, and a release structure is configured in a wall part of the wristband main body that surrounds the inflatable bag and the release structure communicates with an inner cavity of the inflatable bag, to release gas from the inflatable bag; and an inflating device, provided on the wristband main body, that the inflating device includes an inflating component and a driving component, the inflating component communicates with the inflatable bag, and the driving component is configured to move following a move of the wearing body and to drive the inflating component to inflate the inflatable bag.

Disclosed is an operable bracelet. The operable bracelet enables a user to wrap around the operable bracelet on a body part of the user to support at least one hair accessory. The operable bracelet comprising a bracelet body having an oval or a circular shape; at least one retaining feature extended along with circumference of outer side of the operable bracelet to accommodate the at least one hair accessory; at least one elevated feature positioned on outer side of the operable bracelet in parallel to the at least one retaining feature and elevated above the bracelet body, configured to elevated the at least one hair accessory from the at least one retaining feature to make the at least one hair accessory accessible for removal.

Systems and methods for dynamically adjusting the fit of a wearable electronic device are disclosed. In many embodiments, a tensioner associated with a wearable electronic device can control one or more actuators that are mechanically coupled to either the housing or to a band attached to the wearable electronic device. In one example, in response to a signal to increase the tightness of the band, the tensioner can cause the actuator(s) to increase the tension within the band.

Watch comprising a watchband fixed to a case, this watchband comprising an extending strand, and a buckle arranged to encircle a case or an element protruding from this watchband, formed by this extending strand or by an added buckle, and the buckle comprises a stop surface arranged to cooperate, in a fastened position, either with a first complementary stop surface of a case, or with a second complementary stop surface comprised in the protruding element of the watchband.

A fabric strap may be used to attach a wearable electronic device to a user's body. The fabric strap may include a stretchable inner fabric layer formed from mesh fabric. A first set of ribs may be formed on a first side of the inner fabric layer and a second set of ribs may be formed on a second opposing side of the inner fabric layer. Load-modifying structures may be located in the ribs and may be used to increase the initial force required to stretch the strap, while allowing additional elongation to occur without requiring increasing force once a certain elongation percentage is reached. The load-modifying structures may be located in upper portions of the ribs and/or may span across openings in the ribs, and may include stitching, stiffeners, fabric layers, metal or plastic materials, spring members, and/or other structures.

A Brunnian link is a link formed from a closed loop doubled over itself to capture another closed loop to form a chain. Elastic bands can be utilized to form such links in a desired manner. The example device provides a means of creating items using Brunnian links of complex configurations. Moreover, the example kit provides a device that allows for the successful creation of unique linked items.

A disclosed device for creating an item consisting of a series of links includes at least two posts spaced part from each other in a first direction with each of the posts including a first arm and a second arm and an access slot.

An adjustable link for bracelets, including a first half link and a second half link arranged to be assembled to move with respect to each other, including an adjustment, and a locking mechanism cooperating with a complementary locking mechanism in order to form a captive assembly. The adjustment includes a screw, a hole passing through the first half link, and a blind threaded hole extending into the second half link, the through hole and the blind threaded hole facing each other, and being arranged to cooperate with the screw to continuously adjust the position of the first half link and of the second half link in the longitudinal direction in order to adjust the position between a maximum position and a minimum position.

Embodiments of the invention are directed to a breakaway clasp and clasp components that may provide a quick release closure mechanism. The breakaway clasp may include a first clasp component having a coupling portion and an attachment portion; and an identical second clasp component also having a coupling portion and an attachment portion. The attachment portions may be configured to coupled to a portion of an article, such as a necklacomprisesce or bracelet, and the coupling portions are configured to releasably couple to each other, thereby forming a closure. Each coupling portion comprising two, identical hemisphere elements and a connecting section that connects the two hemisphere elements. The hemisphere elements and connecting section may define a receiving cavity configured to receive at least a portion of the hemisphere elements of the other clasp component.