WHAT? listen, i'm just gonna go ahead and impose my advice here...unless you are blocking out a sparpole- in which case i dont know HOW youd cut yer leg like that (use the hand brake at all times)- make sure you are (always) tied in w/ your lifeline. there is a very good reason it is referred to as such. i personally use a blakes hitch off a split tail line for positioning and rapelling. it's kind of boiled-down setup, some here would call it primitive, but very dependable. practically bullet proof. if you need to stay right where you are or get the hell outta there in a hurry- that is a good way to do it.