Turn the head
Paint the mask
Take the mask back. Holding Option turns any brush into this one.
Where it seats, where it floats
Change by color
Pull the outline
MASQKept
Edge
Smooth
Sharp
Grow
Shrink

Face motion

0 mm
25 mm
Quiet above the upper lip, loud below it. Nothing rigid survives the mouth.
Move over the face

Export

Tick what to write. More than one file comes as a zip with a README.
Nothing chosen.
MASQ
loading the head