I picked up a 100 yard spool form BCY. It' s the black braided polyester material and it' s great. Very little stretch and easy to work with. I have to put two on yesterday. One on a guys mathews, the bow just barely fits him and the short the loop the better. I tied it so it would just fit the release on behind the nock. 20 shots later it is still is the same position. You can untie the not and cut and re-burn the ends. I will do this from time to time if I get the loop a bit long, just do it before you get to many shots into it or the knot is a booger to get undone.