What the obsidians reveal in the Templo Mayor of the Aztecs

If it actually existed, the obsidian sword of the Aztecs was one of the more unpleasant weapons for the opponent at the time. The man -sized sword called Macuahuitl allegedly had blades from Obsidian on both sides with a resin. There was space between the sharp -edged stones so that the wounds were all the bigger and deeper.