Hold the hands palm to palm in front of the chest. Rub the palms together.
Hold the hands in front of the chest. Squeeze the hands into palms while moving the hands to the out to the sides.
Form the letter I of the sign language alphabet with both hands. Hold the hands in front of the body with the back of the hands facing out. Move the hands in circles while moving the hands to the out to the sides.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.