Guardian G-Link Dual Retractable System - 11 ft.* Two Retractables This retractable lifeline unit incorporates two retractables into one system. If one retractable just doesn't cut it, this system allows you to safely attach two retractables to one dorsal d ring. Two is always better than one right? * 100% Tie Off Protection The Guardian G Link System provides 100% tie off so you can move from one anchor point to the next without disconnecting your retractable. This handy little item is giving you