In mouthfill you can do Jaw-Cheek-Tongue or Cheek-Jaw-Tongue compression steps. The key is to learn to isolate each muscle and slowing compress them and switch to the next step before the Vacuum started! How to do this is? … there is no other secret than practice them in dry!! Before you reach to this exercise, there are 55 dry drill before this. Check my coaching options‍ ‍or Subscribe for more Tutorial Video