Abstract: A volume lock apparatus for a guitar having a volume knob connected to a potentiometer shaft may include a toothed washer, an inner body, an outer body, and a set screw configuration to translate rotational movement from the outer body to the inner body and further configured to set an upper movement limit for the outer body. The Volume lock is an accessory that the user can easily install in place of the stock knob on a guitar's volume or tone potentiometer. It allows the user to stop the rotation of the guitars potentiometer by pressing the knob downward which engages the hirth joint in the outer body with the hirth joint in the toothed washer.

Abstract: A switch lock apparatus for a guitar having a pickup selector switch is disclosed herein for locking a position of the pickup selector switch. The switch lock apparatus may include a body plate, a mounting hole, a switch opening defined in the body plate which is configured to receive the pickup selector switch. The switch lock apparatus may also include at least one first side receptacle positioned along the first switch opening side and at least one second side receptable positioned along the second switch opening side. The at least one second side receptacle may be offset from the at least one first side receptacle along the switch opening length to define a central passageway that enables free movement of the pickup selector switch. The switch lock apparatus may define a locked position when the pickup selector switch is received by one of the first or second side receptacles.