Yeah. Pushbuttons. Yeah.
So that's not really interesting.
Yeah.
Electronics ? Yeah ,  maybe we wanna decide on what electronics to use  the advanced chip I think is easiest to implement uh for the production , 'cause they they can print it better. Um  Yeah. I think this is about it. Yeah I was working on some per personal preferences. I first uh chose for the battery , 'cause yeah I'm traditional and that's the most obvious , easiest choice to go to. But I really think that we should maybe uh think about the kinetic energy ,