Latching footswitch. Connect latching foot-switch to the jack socket on your equipment to foot switch effects on and off or toggle between on and mute. A latching foot-switch means you press the footswitch to activate and press the foot-switch again to de-activate. The effect is active until you press the footswitch again with your foot. Ideal for use as an effect on/off switch, on/mute switch, channel switching on guitar amps or drum machine start/stop.