The next evolution of resistance activated releases Designed with a familiar geometry of the Evolution family of handles, this new offering uses one spring that spans the entire holding weight settings from 8-40 lbs. Improved consistency of activation with a much more precise micro adjustment of the holding weight setting To close the jaw, push down on the hasp until it snaps into the closed position and the release is reset Always push in and hold the thumb safety while drawing your bow Pull through every shot with the Evolution 20 Mini model designed for archers with smaller hands Caution: Use a scale to measure your holding weight, be sure to set the activation weight around 2+ lbs of your holding weight for optimal activation