…a short rod of wood or plastic sewn to one side of a coat or other garment, pushed through a hole or loop on the other side and twisted so as to act as a fastener…
…an electric switch operated by means of a projecting lever that is moved up and down…
…a key or command that is operated the same way but with opposite effect on successive occasions…
…a kind of wall fastener for use on open-backed plasterboard, having a part that springs open or turns through 90° after it is inserted so as to prevent withdrawal…
…a key or command that is operated the same way but with opposite effect on successive occasions…
