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

then his brother’s wife shall come to him in the presence of the elders, and loose his shoe from off his foot, and spit in his face. She shall answer and say, “So shall it be done to the man who does not build up his brother’s house.”

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.

So the near kinsman said to Boaz, “Buy it for yourself.” He took off his shoe.