The Foot Mouse. Well…let’s see. It’s a computer mouse. That you operate with your foot, toe gives left button click, heel right. There, that ought to do it.
When the foot is moved to left and right, the arrow (the pointer) it moves to left and right. In addition, if the foot is moved slantedly, also the arrow moves slantedly. For example, when the foot is moved to the direction 30 degree before the right, the arrow moves to the right upper part direction 30 degree. Even when moving at 10 degrees, moving at 0.5 degrees, the arrow moves with the angle.