More like a dagger
Here is a gallery of a most unusual stone tool. It has a fourth ground side that allows the user to grind a side to improve the point, turning the working edge into a three-sided dagger-like knife.
Here is a gallery of a most unusual stone tool. It has a fourth ground side that allows the user to grind a side to improve the point, turning the working edge into a three-sided dagger-like knife.