Hold one hand in front of the chest with the palm facing up. Form the other hand into a signed letter C. Place the fingertips of the C onto the wrist of the palm. Move the C from the wrist to the fingertips.
Form the hand into a fist and rotate the fist in front of the mouth in the motion of licking an ice cream cone.
Beyer, Monica. 2006. Baby talk: A guide to using basic sign language to communicate with your baby. New York: Jeremy P. Tarcher/Penguin.