The new JOYO Footheramin is a frequency oscillating guitar effect pedal that can be operated easily by guitarists feet.
With two metal antenna that sense the relative position of the foot, the front aerial loop controls oscillators and frequency adjustment, and volume with the other. Switches control the type of the oscillation, adjusting band pass filters, pitch and gate linear sensitivity.
Move your feet towards or away from the side aerial adjusts volume, whilst controlling RF oscillation, wave, gain and melon output with the other. Combine both to achieve the tone of the future.