Signing: Make your dominant hand into a fist with your thumb sticking out. Use your thumb to trace a path up the middle of your chest.
Usage: more complex feels such as proud are advanced signs best reserved for older signers. A good time to introduce the sign is after baby has accomplished something, such as screwing the top on a jar, and you can see them glowing with pride.
Flash Card: Click the link to view the Proud Baby Sign Language Flash Card. The flash cards are printable and available in both U.S. Letter and A4 sizes.