1 The metal hand clips fitted to bulkheads and decks around watertight doors, small hatch covers, etc., which when turned, force the rubber gasket lining the doors and hatches hard up against the sealing to ensure a watertight seal.
2 Metal bars, with their ends turned down and ending in a point, are also known as dogs. They were used for holding a baulk of timber steady while carpenters shaped it with an adze, or for holding frames on bending slabs while the frames are being bent to the shape of the hull. They are, of course, still in use for temporarily securing timber against unwanted movement, as much ashore as at sea.
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