M: Pretend you are counting on an abacus with your extended right middle finger, first flick the beads up and then flick the beads down. (HKSL)

H: Pretend you are counting on an abacus with your extended right middle finger, first flick the beads up and then flick the beads down.

C: Shape the person’s right hand so their middle finger is extended, co-actively flick the beads up then flick them all down.

B: Flick the beads up and down on the person’s hand with your middle finger.