Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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This class includes all bolt elements and latching devices, not combined with lock structure, for securing in closed or adjusted position any closure element, such as a door, window, gate, trunk-lid, box-cover, bag-frame, or the like.