internal static void addBottomCollisionSection(LipSection section)
 {
     if (bottomLipCollisionSections.Count == 0)
     {
         collisionEnabled = section.CollisionEnabled;
         bottomLipsRigid  = section.LipsRigid;
     }
     bottomLipCollisionSections.Add(section);
 }
 internal static void addTopCollisionSection(LipSection section)
 {
     if (topLipCollisionSections.Count == 0)
     {
         collisionEnabled = section.CollisionEnabled;
         topLipsRigid     = section.LipsRigid;
     }
     topLipCollisionSections.Add(section);
 }
 internal static void removeBottomCollisionSection(LipSection section)
 {
     bottomLipCollisionSections.Remove(section);
 }
 internal static void removeTopCollisionSection(LipSection section)
 {
     topLipCollisionSections.Remove(section);
 }