How to Roll Your R's: The Definitive Guide Mouth Gym Part 2: How to train James Egerton Debunking the biggest genetic myth of the human tongue PBS News 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 The vocal cords are located within the larynx (voice box) in the throat. Positioned horizontally, they stretch across the glottis at the top of the trachea. These folds vibrate to produce sound Uvula's role in sleep apnea and snoring