The Fairbairn's system was based on his training and knowledge in boxing, wrestling, savate, jujutsu, judo and fights he was involved in during his police work, Fairbairn began to develop his own system of hand to hand combat, initially referring it as "Defendu". It was designed to be simple to learn and to provide effective results. Fairbairn published his book, Defendu, in 1926[2] (reprinted as Scientific Self Defence in 1931), illustrating this...