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Left-upper part of FACS AU18 "lip pucker" expression decoupled to only narrowing lips movement. Appearance: Pulls upper-left part of the lips medially. For full "pucker" you need to combine "lips purse" and "lips towards" together. (For "oh" expression you need to combine "lips purse" -"lips towards" and "lip funneler")
This Control Curve is driven by MetaHuman Animator.
