Programmable foot pedals have been around for a while now [1]. Some are surprisingly expensive, though, and this option looks cheaper. https://www.google.com/s

Programmable foot pedals have been around for a while now [1]. Some are surprisingly expensive, though, and this option looks cheaper. https://www.google.com/search?q=programming+foot+pedal https://www.google.com/search?q=programming+foot+pedal