I use fast flight but double the last 8 inches for the loop and the timber hitch plus tuck the timber hitch three times. I also make my strings using 16 strands so the doubled section is 32 strands. This works very well on my 80 lb hickory molly even with the tips being thinned to 1/4 inch. 1/6 strands with a serving of waxed heavy linen
sewing thread gives a thick enough dia. for my self nocks. cheers fiddler49