Part 1 The bit develops - the history of bitting. Part 2 Principles and mechanics. Part 3 Descriptions of bits, their use and fitting: the snaffle; the double bridle; the Pelham; gag bits; nose or bitless bridles; western bitting and the hackamore. Part 4 The mouth and fitting. Part 5 Aids to the bit and common evasions: martingales; nosebands; draw/running reins; side reins; balancing reins; Chambon/de Gogue. Part 6 Specialist bitting: polo; driving and harness racing. Part 7 metals and materials.