So it's a constraint. Yeah , but is it a double curved one or not ?  If it's not a double curved , then we've got the choice for the push-buttons , if it's a double curve , we've gotta go for rubber push-buttons. If that makes sense.
push buttons instead of the wheel ?
Yeah. .
If it's rubber , isn't it malleable anyway ,  it doesn't matter if it's double  I mean isn't a rubber case , mean it's completely flexed , I mean , it it flexes to whatever they want it to ? Mean so what's the difference between a normal rubber case and a rubble doub double  rubber double curved case ?