Rather, “In his right hand was [is] the divination,” that is, he holds up in his right hand the arrow marked with “Jerusalem,” to encourage his army to march for it.
captains - The Margin, “battering-rams,” adopted by Fairbairn, is less appropriate, for “battering-rams” follow presently after [Grotius].
open the mouth in ... slaughter - that is, commanding slaughter: raising the war cry of death. Not as Gesenius, “to open the mouth with the war shout.”