STAN SOLEX RELEASE 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.