Quite Interesting on Twitter: "Cloverleaf tongue, the ability to fold the tongue in a leafed 'trefoil' shape, is one of the rarest tongue-rolling abilities. (Image: Manarh, CC BY 2.0) https://t.co/gsEYKAc4BK" / Twitter
Why can't I roll my tongue from side to side? - Quora
Woman rolling her tongue Stock Photo - Alamy
Lesson 83: No Tongue - Matt Otto
Can You Roll Your Tongue Like This? | The Beekman School
Close up of a young man, folding his tongue in a rare tri fold, clover leaf shape. Strange genetic ability. White Caucasian male on white background Stock Photo - Alamy