GEN 4:22 And Zillah, she also bare Tubalcain, an instructer of every artificer in brass and iron: and the sister of Tubalcain was Naamah.
Standard science dates the bronze age and the first human use of metals from a time roughly ballpark for Genesis. The sons of Adam and Eve never used stone tools; Cro Magnon descendants went on using stone tools and weapons until forced out of it by neighbors. Aztecs were using stone weapona against the Spanish and the words for a knife, an axe, or anything else which cuts, in Basque language, are derived from the word for a stone.
You’ve got to get stoned before you can groove on heavy metal. Dude.
At that time the LORD told Joshua, “Make for yourselves some flint knives and circumcise the Israelis who haven’t been circumcised yet.” Joshua 5:2