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Shackle
A shackle, also known as a gyve, is a U-shaped piece of metal secured with a clevis pin or bolt across the opening, or a hinged metal loop secured with a quick-release locking pin mechanism. The term also applies to handcuffs and other similarly conceived restraint devices that function in a similar manner. Shackles are the primary connecting link in all manner of rigging systems, from boats and ships to industrial crane rigging, as they allow different rigging subsets to be connected or disconnected quickly. A shackle is also the similarly shaped piece of metal used with a locking mechanism in padlocks.
A carabiner is a type of shackle used in mountaineering.
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Shackle (noun)
A restraint fit over a human or animal appendage, such as a wrist, ankle or finger; normally used in pairs joined by a chain.
“hobble”
“handcuff|manacle|fetter”
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Shackle (noun)
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.
“clevis”
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Shackle (noun)
A restraint on one’s action, activity, or progress.
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Shackle (noun)
A fetter-like band worn as an ornament.
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Shackle (noun)
A link for connecting railroad cars; a drawlink or draglink.
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Shackle (noun)
A length of cable or chain equal to 12.5 fathoms or 75 feet, or later to 15 fathoms.
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Shackle (noun)
Stubble.
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Shackle (verb)
To shackles; to place in shackles.
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Shackle (verb)
To render immobile or incapable; to inhibit the progress or abilities of.
“This law would effectively shackle its opposition.”
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Shackle (verb)
To shake, rattle.
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Clevis (noun)
A U-shaped coupling having holes at each end, through which a bolt is run; used especially to fit attachments to a tractor or other vehicle as it allows a degree of rotation about the bolt.