Arise. God’s people are represented under the figure of the oxen when they tread out the corn (see Deuteronomy 25:4; cf. Isaiah 41:13-16).
Thine horn iron. Probably an additional symbol of destruction. As the ox gores its victims, so Israel would destroy her foes.
Hoofs. Grain was threshed by the oxen trampling upon the sheaves on a threshing floor. At times a weighted sled was dragged behind the oxen. Metal hoofs would greatly facilitate the threshing process.
I will consecrate. The Septuagint and the Targums read, “You shall consecrate.” The gains of warfare were not to be used for personal aggrandizement but were to be devoted to the Lord and to be used for the advancement of His kingdom.