Ruth 4:7-10
4:7 (Now this used to be the customary way to finalize a transaction involving redemption in Israel: A man would remove his sandal and give it to the other party. This was a legally binding act in Israel.)
4:8 So the guardian said to Boaz, “You may acquire it,” and he removed his sandal.
4:9 Then Boaz said to the leaders and all the people, “You are witnesses today that I have acquired from Naomi all that belonged to Elimelech, Kilion, and Mahlon.
4:10 I have also acquired Ruth the Moabite, the wife of Mahlon, as my wife to raise up a descendant who will inherit his property so the name of the deceased might not disappear from among his relatives and from his village. You are witnesses today.”