The helicopter is a movement where the devilstick is spinning flat
through the air like a rotor of an helicopter. Even if you can't imagine -
it is working and really fascinating.
Starting from the idle you force the devilstick from the vertical spin to
a flat spin by alternating pushing and pulling with the handsticks. The
easiest way to keep the devilstick in that plane is using both handsticks.
You can play it one-handed as well or just give it a tap at each spin from
Really fascinating are the curls where the stick is spinning above and
under the arm by turns.
At the helicopter style tricks there are a lot of body tricks and other
using the wrist