Your jawline is created by your jawbone, which you cannot grow through exercise. At best you can grow the muscle responsible for squeezing your jaw shut, located under the ear. Though these are tiny muscles, the amount of time and effort put in would be for a very small effect and probably a complete waste of your time. Learn how to get a defined jawline with facial exercises, such as mewing, side kisses, neck curlup, and chinup. See before and after photos and tools to use for jawline improvement. If you’re looking to take your jawline game to the next level, the Towel Jawline Method is move that uses resistance to strengthen the jaw and neck muscles, specifically the masseter... Learn how to use a towel to bite and hold, chew, and extend for stronger jaw and neck muscles. Find out the benefits, tips, and FAQs of the towel method for facial fitness.