The Evolution Too by Carter Enterprises brings resistance activated release accuracy to the next level. It utilizes the innovative Piston Release Technology, which allows you to finely tune the tension adjustment range. This results in a degree of consistency and accuracy unmatched by lesser resistance activated releases. In addition, the Evolution Too is outfitted with a unique safety mechanism that prevents the safety from being disengaged if you are pull harder than what the release is set for. Features: Piston Release Technology - finely tune the tension adjustment range for greater consistency and accuracy Safety mechanism – prevents the safety from being disengaged if you are pull harder than what the release is set for Available in 2, 3, and 4 finger configurations Carter Evolution Too 2 Finger Release RBEV5133