"360 degree rotating caliper head, designed for left and right hands. Adjustable wrist strap with sturdy Velcro, comfortable on the wrist, you can adjust the length at will, also suitable for small and large wrists. The precision trigger, when you get used to the feel of the trigger, will help with your shooting accuracy, a consistent release with every shot helps stabilize your release to a noticeable degree, quick release action. No more finger pain, you can use the archery release aid instead of fingers for bow shooting, preventing the pain from prolonged use of fingers for bowing practice or hunting when shooting bows with fingers. If you get used to using the proper form and process of release assist, your aiming skills will improve and it should be a pleasant surprise when the arrow is released."