4. Harness the horses--namely, to the war chariots, for which Egypt
was famed
(Ex 14:7; 15:4).
get up, ye horsemen--get up into the chariots. MAURER, because of the parallel "horses," translates,
"Mount the steeds." But it is rather describing the successive
steps in equipping the war chariots; first harness the horses to
them, then let the horsemen mount them.
brigandines--cuirasses, or coats of mail.
JFB.
Picture Study Bible