Teach your baby the sign for the word socks in baby sign language with the following description and video.
Form the signed number one (1) with both hands. Hold the sides of the index fingers next to each other with the fingers pointing down. Rub the index fingers up and down.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.
Beyer, Monica. 2006. Baby talk: A guide to using basic sign language to communicate with your baby. New York: Jeremy P. Tarcher/Penguin.