Electro Harmonix HOG2 Harmonic Octave Generator Guitar effect pedal For Use With the EHX HOG2 Harmonic Octave Generator Access Complex Sound Transitions Give Your Songs New Depth & Integrity Set Up Your Show at the Touch of a Button The HOG2 Foot Controller gives you instant recall on stage or in rehearsal. Use with the Hog 2 and access up to 100 presets easily, making it simple to set up your entire show at the touch of a button. Use the HOG2 and foot controller in recording and have access to complex sound transitions that can give your songs new depth and integrity.