Learning the sign language alphabet is a great tactile tool for teaching your child the A-B-Cs. Teach your baby the signs for the letters y and z in baby sign language fingerspelling with the following descriptions and videos.
Fold the index, middle, and ring fingers onto the palm. Hold the pinky and thumb straight out.
Draw the letter Z with the index finger.
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.