Mouth

Round Jaw

Enables or disables the rounded jaw type, this is not a slider and is an on or off setting.

Jaw Strength

Decides how strongly the jaw should move when opening the mouth, by default it is 0.3

Jaw Shape

Determines how pointy or wide the round jaw should be, does nothing to the square jaw.

Tongue

Enables or disables the tongue inside of the head, also enables the appropriate bones.

Teeth Curve

Curves the teeth inwards, allows the teeth to capture some more shading.