Yes without touching it I just start to slide down the rope randomly, doesn't matter if it's through friction saver, pulley, natural crotch, and I have been on three ropes with it, If mess with it I can usually get it to grab, after I get myself stopped sliding. Maybe I'm just spoiled by my dealings with treestuff.com, I have no agenda to promote them and they aren't perfect but their way of dealing with issues is yes sir it will be taken care of, where as I feel just treated like a pest at Sherrill