Ruth 4:7
Now for a long time in Israel there had been this custom concerning redemption or contracts, that for the confirmation of all matters: one plucked off his shoe and gave it to his neighbour, and this was a testimony in Israel.
Deuteronomy 25:7-10
And if the man does not desire to take his brother's wife, then let his brother's wife go up to the gate unto the elders and say, My husband's brother refuses to raise up unto his brother a name in Israel; he will not perform the duty of my husband's brother.
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