The quiver is a bag to carry arrows and represents the archer's weapons. Alternate translation: "The soldiers of Elam take their bows and arrows" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Here "Kir" represents the soldiers. Alternate translation: "the soldiers of Kir will take their shields out of their covers" (See: [[rc://en/ta/man/translate/figs-metonymy]])