The picture on the left side is a handaxe. ... People usually used this handaxe to everything like killing animals or digging ground. ... This handaxe is a representative relic of the Paleolithic Period on the Korean Peninsula.
Characteristically, from this stage, flat biface handaxes appear and beak-shaped stoneware is observed ... stoneware mostly consisted of arrowheads without tang and biface stone blades, and later, flat biface handaxes ... The number of flat biface handaxes decreases from the previous stage, but they become more distinct morphologically