TS Mega 2 In 1 Midi Foot Controller With Audio Interface Guitar Pedal USB Recording For iPhone iPad Android Devices Mac PC|Guitar Parts & Accessories| - AliExpress
ActitioN 4 button USB MIDI controller for PC/Mac/iPad - Ableton, Bias FX etc. | eBay
Pairing a MIDI Foot Controller with your Guitar Rig | Guitar Chalk