Their horses, in which they put most confidence, had their hoofs, which is their support and strength, broken, either by dreadful hailstones, or rather, by their swift and violent running over the stony grounds, when they fled away with all possible speed from God and from Israel.
By the means of the pransings; or, because of their fierce or swift courses. Of their mighty ones; either, first, Of their strong and valiant riders, who forced their horses to run away as fast as they could. Or, secondly, Of their horses, as this word signifies, Jer_8:16 47:3 50:42, i.e. of themselves; the antecedent for the relative.