Albert Barnes' Notes on the Whole Bible - Ruth 4:3
According to the law Leviticus 25:25-28, if any Israelite, through poverty, would sell his possession, the next of kin (the גאל gā'al) had a right to redeem it by paying the value of the number of years remaining until the jubilee (see the marginal reference). This right Boaz advertises the גאל gā'al of, so as to give him the option which the law secured to him of redeeming “our brother Elimelech’s” land, i. e. our kinsman’s, according to the common use of the term brother, for near relation... read more
The Pulpit Commentary - Ruth 4:8
And the kinsman said to Boaz, Acquire for thyself; and drew off his shoe. On the instant that he said, "Acquire for thyself," viz; the land with its living appurtenant, he drew off his shoe and presented it. Josephus allowed his imagination to run off with his memory when, mixing up the historical case before us with the details of the ancient Levirate law ( Deuteronomy 25:7-9 ), which were, in later times at all events, more honored in the breach than in the observance, he represents Boaz... read more