to jeff if you have two different sized pulleys along witha line that is rated and small enough to pass through one and not the other, its retrieveable. sean,you can attach your line to it but,that usually means you gotto drag your line up with you.When your on the ground the most common way is to tie a stopper in your rope on the large side,with your throw line attached near your knot.pull the opposite side of your rope, the stopper passes througt the large catches the small, then comes down...most of the time.. the down side of that is you will have three parts of the line in the tree. try and you will see.Check out your chapters masters, youll see some cool ways to retrieve. gear