shackle

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/ˈʃækəl/ English

Definitions

(usually in the plural) A restraint fit over a human or animal appendage, such as a wrist, ankle or finger; normally used in pairs joined by a chain.“The prisoner lay in shackles in his gloomy cell.”
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.
(usually in the plural) A restraint on one's action, activity, or progress.
A fetter-like band worn as an ornament.

To restrain using shackles; to place in shackles.
(by extension) To render immobile or incapable; to inhibit the progress or abilities of.“This law would effectively shackle its opposition.”