Does anyone know the company that makes expression switches?

hugbot

It was for line 6 pedals. Basically it was designed to go in the expression pedal jack, but rather than a sweep pedal it was just a switch which jumped between two states. 

hugbot

NM it was nose pedals I was thinking of

mynamesnotbob

Would you build one yourself? There are some details on this thread

"http://www.aronnelson.com/gallery/main.php/v/Processaurus/Line+6+expression+switch.gif.html"

mynamesnotbob

Here you are:

http://www.nosepedal.com/store/nose-handyman-switch

Not sure if there is a UK supplier