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 between each pair of reins. The left hand operates a progressive but continual tension upon the bit, while the right hand corrects with the snaffle the false position possible at the beginning and thus secures the flexion at the atlas only. (Figure 12.) The flexion is completed when the mouth is open.

Finally, to obtain proof of the quality of my work of flexions, the horse straight, the head up and light, and yet in contact with my hands, I place myself facing the horse, the left reins of snaffle and bit in my right hand, the right reins in my left hand, and by a progressive and moderate action of my two hands, I obtain the direct flexion of mouth and neck, the horse keeping the same position of body. (Figure 13.) At the completion of the flexion, the horse is upon the hand, with the lower jaw completely depressed. (Figure 14.) The flexions have to be executed equally to the right and to the left by the same principles, but by the opposite means.

In explaining above the principles of the flexions, I have changed sides several times in order to make it possible for the photographer to reproduce on the plate the position of hands, reins, head, and neck, so they will be more apparent to the reader.

The next step is to secure lightness. The trainer stands facing his horse, with the right snaffle rein in his left hand, and the left rein in his right. By repeated vibrations he raises progressively the head and neck, until, after a few lessons, the horse re-