jaw-tooth

Then Skarphedinn said, "Here now is a keepsake for thee;" and with that he took out of his purse the jaw-tooth which he had hewn out of Thrain, and threw it at Gunnar, and struck him in the eye, so that it started out and lay on his cheek.

The Story of Burnt Njal: the great Icelandic tribune, jurist, and counsellor Unknown