There've been a couple. I believe EH was the first, and I think it was called the "Gas Pedal". And I think Dunlop did one a few years back. On 12/1/05, David Coffin <dpcoffin@earthlink.net> wrote: > Surely somebody's done this before... anybody got a clue, a link, an > idea...? (Goal: access the feedback knob on the Boss DD20 with my foot:) >