vibrating motion animation of tired happy face icon PVD Rainbow Vibrating Barbell Tongue Ring 14G 16mm Does your baby's tongue look like this when they're crying? If your baby's tongue looks bowl shaped, heart shaped, or pulled downwards when they cry, this can be a sign of oral restriction In this speech session, a vibrating brush is used to gently stimulate the childs lips, cheeks, tongue, and jaw muscles., The vibration helps wake up the oral muscles, improves awareness, and prepares