Trophy Ridges HXL Rest uses exclusive vertical drop technology and a limb-driven design that eliminates timing issues for enhanced reliability and accuracy. 100% arrow containment at all times ensures your arrow is ready when youre presented with the perfect shot. Limb-driven design works with either the bottom of the limb or the upward-moving cable. Removable containment arm allows use of larger-diameter arrows. Linear bearings provide smooth, silent operation. Solid 6061 T6 aluminum construction. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Drop-Away/Containment Rests.