Bulzeye is right on the money with arrow alignment. As you look down the arrow when nocked and on the rest, the tip should be just outside centerline of the arrow when looking past the string. A good starting point for the nock set is 1/8" above center. Bare shaft tuning will establish the correct points for both center shot and nock height. I prefer a tab for both target and hunting. I shoot a Neet hair tab for target and the Neet super leather for hunting. The super leather is less affected by changing weather.