The Greek chariot had two wheels, and was made to be drawn by two horses; if a third or, more commonly, two reserve horses were added, they were attached on each side of the main pair by a single trace fastened to the front of the chariot, as may be seen on two prize vases in the British Museum from the Panathenaic games at Athens. On the monuments there is no other sign of traces, from the want of which wheeling round must have been difficult. Immediately on the axle (ἄξων, axis), without springs of any kind, rested the basket or body (δίφρος) of the chariot, which consisted of a floor to stand on, and a semicircular guard round the front about half the height of the driver. It was entirely open at the back, so that the combatant might readily leap to the ground and up again as was necessary. There was no seat, and generally only room for the combatant and his charioteer to stand in. The pole ( ῥυμός, temo) was probably attached to the middle of the axle, though it appears to spring from the front of the basket; at the end of the pole was the yoke (ζυγὸν, jugum), which consisted of two small saddles fitting the necks of the horses, and fastened by broad bands round the chest. Besides this the harness of each horse consisted of a bridle and a pair of reins, mostly the same as in use now, made of leather and ornamented with studs of ivory or metal. The reins were passed through rings attached to the collar bands or yoke, and were long enough to be tied round the waist of the charioteer in case of his having to defend himself. The wheels and body of the chariot were usually of wood, strengthened in places with bronze or iron; the wheels had from four to eight spokes and tires of bronze or iron. This description applies generally to the chariots of all the nations of antiquity; the differences consisted chiefly in the mountings.