Letting the wheel slide through your hand like that doesn't apply a torque, so you will get nagged and you will have to jiggle the wheel once in a while. By res

Letting the wheel slide through your hand like that doesn't apply a torque, so you will get nagged and you will have to jiggle the wheel once in a while. By resting your hand on the corner of the yoke, it has just enough torque to keep the system happy indefinitely.