Soon the spindle was working steadily, and the hole was becoming deeper and deeper.

When they had bored a hole halfway through the tooth, they began to bore from the opposite side.

All the Cave-men came up to see them work.

As soon as the hole was made, Strongarm took a cord of braided sinew and hung the sabre tooth at his side.

A bow drill

After that he always wore the trophy.

Sometimes he used it for a knife and sometimes for a saw.

Every one who saw this rare trophy knew that Strongarm was a brave man.