Shackle

entrave

(restraint on one’s action, etc. — see also restraint)

fers

(restraint fitted over an appendage)

manille

(U-shaped piece of metal secured with a bolt or pin across the ends for attaching things together)

menottes

(restraint fitted over an appendage)

enchainer

(to place (a person or animal) in shackles; to immobilize or restrain using shackles)

enchainer

(to inhibit or restrain the ability, action, activity, or progress of (someone or something) — see also inhibit, restrain)