Thanks. I would like to whack them into two of these. When I say I, I mean someone else to do it for me, obv
https://www.ebay.co.uk/itm/Universal-Foot-Sustain-Pedal-Controller-For-Electronic-Piano-In-UK/113694803613?hash=item1a78bd069d:g:vMkAAOSwIWVY-Ggg
But I am wondering if the piezo element might need a bit more cushioning before impact.