I've pondered one for practice with my Roland I can just walk up to at any point but that's about it - it would definitely appease my lazy annoyance at having to put accordion/wired headphones on in the correct order. Probably not though, as the Roland I find to be stiff enough in terms of feel this would only alienate things further for me.
My Hohner Tango was meant to do just that, and there is nothing better when it comes to playing accordion for me, thanks!
To this end obviously the more static approach definitely works for some players, did you see how much air he got jumping through that one quick flourish!?! Way less sweaty at the end of day too I am sure
