Amazon.com: MeloAudio Tone Shifter Mega MIDI Foot Controller and USB Guitar Recording Audio Interface for iPhone, iPad,Android Devices, Mac and PC : Musical Instruments
Native Instruments Guitar Rig
MP-100 MIDI Foot Controller - Harley Benton
MIDI Commander Guitar Pedal Portable USB MIDI Foot Controller With 10 Foot Switches Matched TS Mini Audio Interface Sound Card