TRU BALL "Abyss X-Tension Flex" Release1st Handheld pull thru release to draw a bow like all other handheld trigger releases. No need to hang onto safety lever while drawing bow. Safe lever safety let down the bow when choosing not to complete the shot. Adjustable 3 Axis knurled thumb trigger 16 Degree adjustment to move string pressure off face Best pressure repeatability in the marketplace. Angle and finger placement pressure, consistent shot after shot. Patented First and Best