I just use a small rubber band, Lay the line across the band and then put the loop on one side through the loop on the other - pull tight - and you have your height stop.The best way of stopping the float is to use a rubber stopper bead instead of a stop knot....they are really cheap and easy to use...otherwise FiFer's set up is perfect. P.s have you tried float fishing with a spinner as bait.....bit unusual but can be deadly