50This Silica Gel Jawline Exercise Ball Muscle Training Fitness is great! Combining this equipment with regular exercises can increase blood flow along with the head and face, thus completing full-body exercises, including over 50 muscles in the face and neck. With enough routine training, rest, and nutrition, your facial muscles will become as ideal as any other muscle. This fitness jaw exerciser can train one of the most important but still forgotten muscles in your body, the massager’s muscle. For anyone who wants to tone, firm, and strengthen the face and neck area, this is just for you!