wingnut,you don't half to glue the inserts in to try them out.What I do is to push them in the shaft with alittle saran plastic food wrap.The plastic wrap holds the insert in snug enough for bareshaft tuning.I shoot through a two inch foam target into a bag target.The foam target hold the position of the arrow and the bag target doesn't grab tight enough to pull the point and insert out.If you shoot into a layered or solid foam target your insert & point may pull out.I do all my tuning without having to glue in the inserts with this method.After I'm satisfied with my bareshaft tuning I'll then prep and glue in my inserts.I etch the inside of the shaft with a bore brush and clean with some alocohol,then I'll scratch the insert with some sandpaper and glue it in.I use Bohning Powerbond or a AAE 24 hr. two part epoxy for glueing inserts.