Bible Verses About Shoe: Loosed in token of refusal to observe the Levirate marriage

then his brother's widow is to approach him in the presence of the leaders, pull his sandal off his foot, spit in his face and say, 'This is what is done to the man who refuses to build up his brother's family.'

In the past, this is what was done in Isra'el to validate all transactions involving redemption and exchange: a man took off his shoe and gave it to the other party; this was the form of attestation in Isra'el.

So the redeemer said to Bo'az, "Buy it for yourself," and took off his shoe.