Doing the idle the devilstick is hitten back and forth in the plane in
front of your body. Doing the propeller the stick is spinning around
continuously - like a rotor of a propeller aircraft.
You need some practice to keep the propeller under control. The
devilstick ist forced by the handstick close to its middle and is touched
only for a short moment.
There are a lot of propeller style tricks, most of them are bodytricks
and tosses. It is quite helpful to be able to handle the propeller in both
directions and also with both hands.
alternate the handsticks