The ergonomic design guides each finger to the correct spot to achieve the perfect tripod grip. This doctor-recommended grip significantly reduces the amount of fatigue felt from prolonged writing. In fact, this grip directly emulates the original style that is still one of the best Grip recommended by Occupational Therapists to help people improve their writing skills. The Pinch Grip is designed to train the muscle memory of the fingers so that a proper grip is not only comfortable, but second nature. Each pack includes 100 grips.