But possibly you are not content with a horse serviceable for war. You want to find him him a showy, attractive animal, with a certain grandeur of bearing. If so, you must abstain from pulling at his mouth with the bit, or applying the spur and whip — methods commonly adopted by people with a view to a fine effect, though, as a matter of fact, they thereby achieve the very opposite of what they are aiming at. That is to say, by dragging the mouth up they render the horse blind instead of alive to what is in front of him; and what with spurring and whipping they distract the creature to the point of absolute bewilderment and danger.134 Feats indeed! — the feats of horses with a strong dislike to being ridden — up to all sorts of ugly and ungainly tricks. On the contrary, let the horse be taught to be ridden on a loose bridle, and to hold his head high and arch his neck, and you will practically be making him perform the very acts which he himself delights or rather exults in; and the best proof of the pleasure which he takes is, that when he is let loose with other horses, and more particularly with mares, you will see him rear his head aloft to the full height, and arch his neck with nervous vigour,135 pawing the air with pliant legs136 and waving his tail on high. By training him to adopt the very airs and graces which he naturally assumes when showing off to best advantage, you have got what you are aiming at — a horse that delights in being ridden, a splendid and showy animal, the joy of all beholders.

How these desirable results are, in our opinion, to be produced, we will now endeavour to explain. In the first place, then, you ought to have at least two bits. One of these should be smooth, with discs of a good size; the other should have heavy and flat discs137 studded with sharp spikes, so that when the horse seizes it and dislikes the roughness he will drop it; then when the smooth is given him instead, he is delighted with its smoothness, and whatever he has learnt before upon the rough, he will perform with greater relish on the smooth. He may certainly, out of contempt for its very smoothness, perpetually try to get a purchase on it, and that is why we attach large discs to the smooth bit, the effect of which is to make him open his mouth, and drop the mouthpiece. It is possible to make the rough bit of every degree of roughness by keeping it slack or taut.

But, whatever the type of bit may be, let it in any case be flexible. If it be stiff, at whatever point the horse seizes it he must take it up bodily against his jaws; just as it does not matter at what point a man takes hold of a bar of iron,138 he lifts it as a whole. The other flexibly constructed type acts like a chain (only the single point at which you hold it remains stiff, the rest hangs loose); and while perpetually hunting for the portion which escapes him, he lets the mouthpiece go from his bars.139 For this reason the rings are hung in the middle from the two axles,140 so that while feeling for them with his tongue and teeth he may neglect to take the bit up agai............