Ruth 4:7
Now this was [the custom] in former time in Israel concerning redeeming and concerning exchanging, to confirm all things: a man took off his shoe, and gave it to his neighbor; and this was the [way of] attestation in Israel.
Deuteronomy 25:7-10
If the man doesn't want to take his brother's wife, then his brother's wife shall go up to the gate to the elders, and say, "My husband's brother refuses to raise up to his brother a name in Israel; he will not perform the duty of a husband's brother to me."
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