Guitar Effect Pedal Potentiometer Knob With Chicken Head - 31.5mm O.D.
Amazon.com: Rayzm Guitar Pedal Patch Connector, 6.35mm (1/4") Effect Pedal to Pedal Coupler, Male to Male Plug Adaptor for Guitar Pedalboard Instead of Patch Cable, Pack of 4 (2 Straight & 2