Awesome Concept

[DaPhinoXX]

http://www.google.com/patents?id=M1MWAAAAEBAJ&printsec=drawing&zoom=4#v=onepage&q=&f=false

This looks really cool.

I know it's basically an expression pedal, but the layout looks way cooler.

[JKowalski]

Hey, it's a computer mouse!

The only foot controlled knobs I have seen have been on Maestro pedals. I think they called it "total foot control"

Ex:

[walker]

the new(ish) Sub-lime by Fender has a giant foot controlled knob.