Form the hands into fists with the thumbs pointing up. Rub the fists up and down in front of the chest.
Form the hands into fists. Touch the hands together at the knuckles. Rotate the hands back and forth.
Hold one hand in front of the chest with the palm facing up. Rub the palm of the other hand over the palm of the first hand.
Place the hand under the chin and wiggle the fingers.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.
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Signing savvy: Your sign language resource: http://www.signingsavvy.com/