A detachable lock with a U-shaped bar hinged at one end, designed to be passed through the staple of a hasp or a link in a chain and then snapped shut.

• 挂锁有U形铁条的被用铰链合在一端的一种可拆开的锁，可以通过门搭扣的锁环或一链条上的链环紧紧扣住