They seem to have had but a single pole.

Where three horses were used, one must therefore have been attached merely by a rope or thong, like the side horses of the Greeks, and, can scarcely have been of much service for drawing the vehicle.

He seems rightly regarded as a supernumerary, intended to take the place of one of the others, should either be disabled by a wound or accident.

It is not easy to determine from the sculptures how the two draught horses were attached to the pole.

Where chariots are represented without horses, we find indeed that they have always a cross-bar or yoke; but where horses are represented in the act of drawing a chariot, the cross-bar commonly disappears altogether.