וַיֹּ֧אמֶר הַגֹּאֵ֛ל לְבֹ֖עַז קְנֵה־לָ֑ךְ וַיִּשְׁלֹ֖ף נַעֲלֽוֹ׃
Der Blutsfreund sprach nun zu Boas: Erwirb also! Und zog seinen Schuh ab.
Aramaic Targum to Ruth
When the redeemer said to Boaz, "Put forth your hand for the act of acquisition, and buy it yourself," Boaz took off his glove and made the purchase.