i used some 1/2" line, 2 different sized aluminum rings, some webbing, some BeeLine and a metal hanger.
I attached the big ring on one side of the 1/2' line with a termination knot, then taped three pieces of metal hanger wire about 4'' long each along the 1/2'' line right below the knot. This is so when you retrieve from the ground it pops the knot out of the crotch and you wont jam the knot into the crotch, leaving you to go back up
. then i tied a prusik with the beeline and attatched the small ring. The loose end of the 1/2'' line NEEDS to be knotted or taped like crazy so the bee line cant slip off the end. i shoved a couple small pieces of wire hanger in the end in a cross through the rope and wrapped the crap out of it with tape to create a stopper ball at the end. And viola, you have an adjustable friction saver that can be set (tree climbers companion will teach ya how to set from the ground, really easy) and retrieved from the ground. Cost about $15-$20, better than around $50 to $300 (
http://www.sherrilltree.com/Profess...t/A-R-T-Rope-Guide-friction-management-system)
Be safe