EarthQuaker Devices Hoof Hybrid Water Blue Fuzz Pedal with Shift ControlEarthQuaker Devices Hoof Hybrid Germanium and Silicon Design Fuzz Pedal (Water Blue) The EarthQuaker Devices Hoof Hybrid Fuzz Pedal in Water Blue can be found on thousands of pedalboards around the world and has rocked countless stages from stinky suburban basements to Madison Square Garden. The Hoof is loosely based on the classic green Russian fuzz circuit and features a hybrid Germanium and Silicon design, pairing maximum tone with maximum