Some awesome remarks going on here. I particularly like the ones about following through and not looking for the arrow. You should never even think about your release. There is no substittue for aiming the bow. Aim the bow, aim the bow, aim the bow. Nothing works better.

Just like my thought on lighted nocks. Why would a person want to see his arrow go. That's not good shooting form. If you use good form and follow through, then your arrow is right where the pin was when the bow went off. No need to see anything. The only thing you should be doing is aiming.