Before revision: Perhaps the first example of a wedge is the hand axe (see also biface and Olorgesailie), which is made by chipping stone, generally flint, to form a bifacial edge, or wedge.
After revision: some people hate wedges and simple machined cuz they booorrrrinnnggggPerhaps the first example of a wedge is the hand axe (see also biface and Olorgesailie), which is made by chipping stone, generally flint, to form a bifacial edge, or wedge.