RE: String loop stretch
Yep the camo stuff stretches for about the first 5 to 10 shots. I just tie the loop super short (I tend to use a longer piece of rope so I can cut as needed, and I am super careful burning the knot). W/ the release aid I use, and a tie in " eliminator" nock under the arrow nock, I am able to fit the head in w/out an arrow, and draw a few times it get it to the final length. This gives me ample clearance from the arrow nock to my release head w/out it being an overly long loop.