Basal Grinding

The grinding of projectile points at their base and lower edges (so that the lashings will not be cut), a Paleo-Indian cultural practice. Basal thinning obtains the same result through the removal of small chips instead of grinding.

The grinding of projectile points at their base and lower edges (so that the lashings will not be cut), a Paleoindian cultural practice. Basal thinning obtains the same result through the removal of small chips instead of grinding. [basal notching]