I only used a string loop for about a year. The reason why was that I saw other shooters at the local shop shooting with one. So I tried it. I never really noticed a difference in accuracy. But the one thing I did like about it was that when I was at full draw, I could twist my drawing arm slightly to a more comfortable position without affecting the bow' s level. It was a little weird at first, but I eventually became comfortable with it. I changed my set-up when I purchased a new bow and the dealer recomended that I not continue with the loop for various reasons. So anyway I managed to harvest 2 deer with the loop on, so I can' t say anything against it. Seems just a matter of preference.