To do this nunchaku stall (A Stall is done when one hand is holding a stick of the nunchaku, and the other stick is caught by another part of the body (apart from the other hand)), first we do a bounce with the nunchuck in the shoulder, then we add some spins, and then we catch it in the armpit, creating the stall.
Is very easy, and from there, you can link with other tricks.