Looptimus - The Ultimate MIDI Foot Controller for Worship - Loop Community Blog
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
Pedalino: A smart, open source wireless MIDI foot controller for guitarists and more « Adafruit Industries – Makers, hackers, artists, designers and engineers!