I:/---/I /// /U:/

Using the muscle buttons to escape theL1 grip1

tongue lips:

he illustrates something extremely interesting and very small detail.

they move in opposition:

tongue is forward and the lips are back

Lips is forward and the tong is back.

you got your tongue forward in your lips spread 控制舌苔向前嘴唇扁平

tongue forward and lips forward and then got a whole family of sounds 舌頭向前嘴唇向前。

when we manipulate tongue and lips buttons .

Lesson 14: I: U:

the movement of lips and tongue is very handy. diagram.

lose muscle of tone, let it relax more.