Shoes: Customs Connected With: A Man Who Refused to Marry a Deceased Brother's Wife
Source: TTT
Deuteronomy 25:9, 10
his brother’s widow shall go up to him in the presence of the elders, remove his sandal, spit in his face, and declare, “This is what is done to the man who will not maintain his brother’s line.” / And his family name in Israel will be called “The House of the Unsandaled.”