What is the name of the first tool of labor of the most ancient man, which could be used

What is the name of the first tool of labor of the most ancient man, which could be used in a variety of cases, replacing a knife, a pickaxe?

Ancient times differ from the Middle Ages and subsequent stages of human development in the way they lead life and relationships. At this historical stage, people began to develop the handicraft sphere. The first tool of labor of ancient man was a chopper. It replaced a knife, a pickaxe, and an ax. The universal device was in demand among fellow tribesmen. Gradually, production technologies became more complex. This allowed people to develop new hunting and gathering skills. Later they opened producing types of economy.