Squeeze the fingers and thumb of the hand into a fist in the motion of milking a cow.
Form the fingers and thumbs into a flattened O. Tap the fingertips on the lips.
Form a W or the signed number 6 with the hand. Tap the index finger on the side of the mouth.
Form the letter C with the hand. Rotate the hand in front of the mouth in the motion of tipping a beverage to the lips.
Beyer, Monica. 2006. Baby talk: A guide to using basic sign language to communicate with your baby. New York: Jeremy P. Tarcher/Penguin.