Tongue mapping research: CSU device lets you hear with your tongue Colorado State University To pronounce the Spanish "rr" put the tip of your tongue behind you top teeth. Make a small effort to leave it there as you push air out of your mouth and 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 shouldnt be too stiff nor too Vibrator for Apple iPhone 6 CDMA GSM Silent Mode Vibrate Vibrating Alert Buzz eBay