Then she arose with her daughters-in-law, that she might return from the country of Moab: for she had heard in the country of Moab how that Yahweh had visited his people in giving them bread.

But Naomi replied, "Go back home, my daughters! There is no reason for you to return to Judah with me! I am no longer capable of giving birth to sons who might become your husbands!

During Israel's earlier history, all things concerning redeeming or changing inheritances were confirmed by a man taking off his sandal and giving it to the other party, thereby creating a public record in Israel.