Join Date: Dec 2004
You're quite welcome. So far as I know, the green bands have two uses, depending on which end of the arrow they are on.
If the bands are near the head, they can have two uses: to help the archer determine he has hit the optimal draw length (this is also sometimes done by putting a loop of thread around the arrow at that point so it can be felt, and (if the entire foreshaft is darkened) to camouflage the arrow somewhat (if hunting from a blind, for instance).
Marks on the end of the arrows are simply to identify whose arrow it is. If several people are hunting, this helps determine who killed something. In some groups, every hunter had his own colors.