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 Infant Oral Reflexes Uplift Therapy Center Baby Tongue Thrust: Everything You Need To Know Bobby One of the more frequent signs associated with tongue tie that I see in the office is a baby who, when nursing or using the bottle, has a jaw that What Should your Baby's Tongue and Jaw Do? Genuine Lactation Tongue tie symptoms and treatment Mayo Clinic Health System