The You Tube video teaches kids how to do it. Works for all kids- not just Autistic ones. Even Mommies who need to calm instead of yell at their kids at dinner time may find these calming tools useful.
Learn about short vowel sounds with this fun musical lesson on the sounds of the short a e i o and u from Learning Games For Kids, ad play the accompanying game! - http://www.learninggamesforkids.com/spelling_games/short-vowel-games/all-short-vowels/short-vowel-game.html