Open Hook head is built for fast connections to the bowstring and consistent lateral nock travel for ultimate accuracy, Spring loaded auto return resets on it's own for quick follow-up shots. Single sear design. Cam pin for tension and travel adjustment allows for zero trigger travel for a crisp clean breaking activation. Index finger activation. Tuck the head into a sleeve when not in use to keep hands free. Comfortable buckle strap will keep your wrist strap release in place and sized accurately.