The ONLY has taken the simple principles of a hinged style release and totally rewritten them into a silky smooth rotating back tension release Simply the smoothest and fastest hinge release in the world Head angle can be adjusted up to 35 degrees, and with the revolutionary Variable Crescent Technology (V.C.T.), firing speed adjustments are limitless Traditional hinge release firing speed is controlled by the hinge position on the half-moon, we've replaced the half-moon with your choice of three crescent cams that range from 0 to 5 degree of radius curvature Self-loading by means of a magnetic-head-return and designed to be shot from a D-loop Provides endless adjustment options and is destined to be the ONLY hinge style release you will ever need Notice: Carter releases are not color specific unless otherwise noted. We cannot guarantee color choice at time of shipping