@jextxadore I'd never considered a foot pedal to help with that sort of issue! My favorite style of trackball is the Logitech M570. Which appears to have been replaced by the ERGO M575:
https://www.logitech.com/en-us/products/mice/m575-ergo-wireless-trackball.910-005869.html
They also have something new (to me) called an MX ERGO which I may have to look into.
// @matigo