He believed that the fire god dwelt in the wood, and he was trying to persuade him to come out.
He had noticed that the drill became warm by twirling, when he used it for boring holes.
So now he made a drill of hard wood and twirled it on a piece of softer wood.
As he twirled the stick he prayed to the fire god.
He asked him to come and help the Cave-men.
When he went away from the cave that day, he went to find tinder.
When he came back that night, he was very happy; for he had a burning torch in his hand.
A piece of soft wood used as the hearth of a fire drill