They were sharp enough to cut with, but the edges hurt his hand.
So he found a smooth pebble and chipped flakes from one end.
Before long he had a sharp point.
He never hafted it; but he left one end smooth, so that it would not hurt his hand.
It was such a weapon as this that was found in the gravel.
You can see that it is something like a spear-head.
Bodo used it when he hunted small animals.
He used it to skin them and to hack off strips of flesh.
Many things had been used as knives before, but this was the first knife that we know man made.