I actually made a string using grass fibers recently just to compare the noise level with dacron. Twisted up the grass string like I was making a piece of cordage. Had 1 loop and a bowyers knot. Fixed it to a 40# bow and started shooting, was actually quiet just by itself, didn't need to fuss with it at all! Just wish it would have held together longer! Got 31 shots before fibers pulled apart, but with practice I could learn to have them last longer. Next I'm thinking of trying bamboo like they use in Papua New Guinea. Guess I'm regressing, have yet to try fast flight,(always been happy with dacron) but I'm going backwards in materials.( You never know these skills may become necessary to know).