Our facial skin has elasticity and it can react to forces and deform in different ways. Sometimes you want to push that facial expression further but your morphs go only to certain limit and you wish you had that special morph that would push the lip further or emphasize certain skinfolds.  That's when you need these facial elasticity morphs!  These morphs will help you give that added accent when dialed partially with other expressions or will just take your expressions well beyond their limits when used at full and help you show extreme expressions that were very difficult to make until now.