Option Knob – Oknob, GloKnob & VKnob, Guitar Pedal Accessories
The Option Knob is a revolutionary guitar effects accessory that replaces the factory knobs on your guitar pedal and allows you to control of your sound effects by using your foot, not your hands.
option knob, realtime guitar effects pedal, control sound effects using foot live performance, innovative music instrument effect control, fender gibson boss dod
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