Tongue mapping research: CSU device lets you hear with your tongue Colorado State University How To Trill Your R's Tutorial For Rolling R's So, you know how to do a lip trill. But do you know how to do a TONGUE TRILL?? We get this question all the time!! Our EKM Vocal Health Specialist Gabi breaks The secret to rolling your Rs Stop trying to move your tongue quickly and focus on striking the perfect tension between your tongue and the palate. Your tongue shouldn't be too