“There had come there.” The place is Gilgal (2 Sam. 19:40).
“son of Belial.” This is a designation of sons of the Devil. [For more on sons of Belial, see commentary on 1 Sam. 2:12. For more on the unforgivable sin and children of the Devil, see commentary on Matt. 12:31].
“shofar.” The ram’s horn trumpet, not the metal trumpet.