∙ A restraint fit over a human or animal appendage, such as a wrist, ankle or finger. Usually used in plural, to indicate a pair joined by a chain; a hobble.
∙ A U-shaped piece of metal secured with a pin or bolt across the opening, or a hinged metal loop secured with a quick-release locking pin mechanism.
∙ A restraint on one's action, activity, or progress. figuratively, chiefly in the plural
∙ A fetter-like band worn as an ornament.
∙ A link for connecting railroad cars; a drawlink or draglink.
∙ stubble
Verb
∙ To restrain using shackles; to place in shackles.
∙ By extension, to render immobile or incapable; to inhibit the progress or abilities of someone or something.