Teach your baby the sign for the word please in baby sign language with the following description and video.
Hold the flat hand in front of the chest with the palm facing the chest. Move the hand in a circle.
Beyer, Monica. 2006. Baby talk: A guide to using basic sign language to communicate with your baby. New York: Jeremy P. Tarcher/Penguin.
Porpora, Tracey. 2011. The complete guide to baby sign language: 101 trips and tricks every parent needs to know. Ocala, FL: Atlantic Publishing Group, Inc.