Hook
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A hook is a tool consisting of a length of material, typically metal, that contains a portion that is curved/bent back or has a deeply grooved indentation, which serves to grab, latch or in any way at
Lifting hook on a crane truck with a standard round hook and a gated opening
A cabin hook used as a latch for a wooden gate
Fish hooks are pointed and often barbed to help catch and tether a fish's mouth
The main anchor of IJN battleship Hiei with the classic double-hook design
Latch
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A latch or catch is a type of mechanical fastener that joins two or more objects or surfaces while allowing for their regular separation. A latch typically engages another piece of hardware on the oth
Hook
…Bondage hook, used in sexual bondage play Cabin hook, a hooked bar that engages into an eye screw, used on doors Cap hook, hat ornament of the 15th and 16th centuries…
Knob has crescent-shaped bar which pulls back latch bolt when turned. Version on upper right has a lock; version on upper left does not. Kwikset uses this shape. Other companies have square or D-shaped bars.
Electronic cam lock
Norfolk latch, circa 1939
A wooden crossbar on a door