I use a trackball to the right of the righthand side A trackpad should fit, because you really want the halves parallel to your shoulders or just a bit tighter

I use a trackball to the right of the righthand side A trackpad should fit, because you really want the halves parallel to your shoulders or just a bit tighter. Though as I think about the movements and gestures, you might find one of the halves interfering by being where your wrist naturally wants to be.