How to Roll Your Rs: The Complete Step by Step Guide CHEAT CODE FOR ROLLING YOUR "R's" This is by far the number one thing my American clients struggle with. Rolling r's just doesn't really happen in this majority of Ameican accents, so most of us Tongue mapping research: CSU device lets you hear with your tongue Colorado State University Speech Therapy z Sound Tongue Stimulation Technology For OSA Airway and Sleep Group Vibrating tongue piercing