shackle

(redirected from Snap shackle)
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shackle

a bar 2.5 ft long with an iron loop at either end, used in restraint of large pigs. A chain is threaded through the loops and around the lower hindlimbs of the pig. When the chain is pulled the pig is stretched and is cast with the limbs held wide apart.
A similar device is used in the abattoir to lift the live pig before it is slaughtered and scalded.