Bracelet

A bracelet was a decorative piece of jewelry usually worn around the wrist.

Some individuals or groups who sought to enslave or coerce others used a control bracelet for the purposes of torture and discipline. (TOS: "Spock's Brain")

During "pre-Surak" times, Vulcans manufactured bracelets, one of which was discovered aboard an old derelict freighter that Quark offered at an auction in 2373. (DS9: "In the Cards")

In 2269, Christine Chapel wore a bracelet made by the titanium smiths of Libra. Due to the effects of spiroid epsilon waves, she shrunk sufficiently that it more closely resembled a necklace than an arm bracelet.(TAS: "The Terratin Incident")

Though not matching Starfleet dress code, a female crewmember wore a bracelet during her duty. (TNG: "Conspiracy")

The Sirah used a bracelet with a fragment of an orb in its center to control the Dal'Rok. (DS9: "The Storyteller")

Miles O'Brien gave his wife Keiko a gold bracelet while they visited McKinley Park. (TNG: "Power Play")

In 2371, Tekeny Ghemor, believing Kira Nerys was in fact his daughter Iliana Ghemor, gave her a bracelet that had belonged to her mother. Later, she tried to give it back after it was confirmed that she was not his daughter, but he told her to keep it, as until he found Iliana, she was the closest to family he had. (DS9: "Second Skin") She wore it again when visiting him in 2373, even though it wasn't permitted under the uniform code. He thought it looked good on her. (DS9: "Ties of Blood and Water")

Young Bajoran girls often received a Bajoran betrothal bracelet to indicate they were "promised" to another for the purposes of marriage at a later date in their adulthood. (DS9: "Fascination")

Prior to heading down to Golana, Molly O'Brien asked her mother to help her put on a bracelet. (DS9: "Time's Orphan")