How to Roll Your Rs: The Complete Step by Step Guide IWTL exactly what the tongue is supposed to be doing during a rolled R (spanish trill) : r IWantToLearn Do you know how to make your Raa () vibrate correctly? As shown in image_13.png, the secret is in the placement. Your tongue needs to be near the roof of your How to Roll Your Rs: The Complete Step by Step Guide Tongue mapping research: CSU device lets you hear with your tongue Colorado State University