With tip of pointer finger touching the thumb tip on both hands and pointing forward, all other fingers pointing upwards; start with thumbs side by side and touching at tips, in front of chest (or higher). Move hands out sideways, to past shoulders. Holding one hand in this position . Point pointer and middle fingers of other hand downwards and apart (other fingers in a fist), and walk fingers along the straight line you just draw, wobbling hand forwards and backwards as you walk your fingers towards the stationary hand in 2 or more steps.
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