American Association of Orthodontists Teens added two steps to mewing: placing a finger over the lips in a "Shhh" motion, then tracing one side of the jaw from top to bottom. Philip Lindsay ...

It's unlikely mewing will successfully change your jawline or teeth. The practice is also unlikely to cause any major side effects since there's not enough evidence to prove it works. Trying to ...

Creators online claim mewing is the easy hack to define your jaw treatment-free. It involves pressing your tongue to the roof of your mouth with your teeth lightly touching and your mouth closed.