The extended device also makes it easier to pre-rig rappels without climbers above getting pulled around by the rope. The friction hitch is your "third hand" backup. To make your third hand ...

The AirOps MOD 8 lanyard from ATTACK! OpGear does double-duty as a personal retention and extended rappelling lanyard. The MOD 8 is designed to girth hitch into your harness or rappelling belt.