For their mod, it sounds like all they need is a momentary switch. You can go to any electronic parts provider and get switches.
Probably not the best for a foot, but one thing that is durable — arcade buttons.
Could get yourself a chunk of plywood board, drill holes in it — sounds like you need a 1 1/8" spade bit — and stick a Happ button in. Those arcade consoles are pretty durable.
There are a bunch of momentary foot switches I see on Amazon:
For their mod, it sounds like all they need is a momentary switch. You can go to any electronic parts provider and get switches.
Probably not the best for a foot, but one thing that is durable — arcade buttons.
Could get yourself a chunk of plywood board, drill holes in it — sounds like you need a 1 1/8" spade bit — and stick a Happ button in. Those arcade consoles are pretty durable.
There are a bunch of momentary foot switches I see on Amazon:
https://www.amazon.com/s?k=pedal+momentary
These ones look metal:
https://www.amazon.com/Hotone-Momentary-Footswitch-Controller-Switcher/dp/B08H1NQCGJ