+A **shackle** is a [Restraint](/wiki/restraint) device, typically crafted from [Metal](/wiki/metal), used to limit movement or secure objects. It often involves a U-shaped component and a pin, sometimes secured with a [Lock](/wiki/lock), forming a temporary or permanent bond.
+## See also
+- [Chain](/wiki/chain)
+- [Cuff](/wiki/cuff)
+- [Fastener](/wiki/fastener)
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