Layers_Head

The Head layer contains the eye and ear bones. The eyes are looking at the corresponding gaze bones by default.

This behaviour can be change with the left and right Gaze properties in the MHX properties panel. Gaze Follows Head determines if the gaze bone moves when the head is moved, or if it remains fixed in space

On the Head layer we also have the lowerJaw bone, which opens the mouth, and the tongue bones which move the tongue.