Take you nock out get and old one sand it dow so it baly fits in the arrow so lose that you can turn it with no effort. Now put the arrow in the jig witht eh clap in the proper posithinc ass if you and an arrow that was being held while the glue was drying. now be carful and open the clamp all the way and turn the arrow untill one of the other fletchings rests flush against the bottom of the clamp, and your arrow is realigned with the jig. Just make sure the dial at the bottom of the jig doesn;t turn when your turning the nock in the arrow.