…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 kind of wall fastener for use on hollow walls, having a part that springs open or turns through 90° after it is inserted so as to prevent withdrawal…
…a key or command that toggles between two modes, such as the caps lock key…
