The 3rd being constant movement. This principle ensures that you will develop a much higher level of fitness, so even if fighting is not your game the health benefits from Ghost training are HUGE. In addition to the physical benefits the very nature of Ghost and the aim of not getting hit, means ensures you also preserve your mental capacity and BRAIN CELLS by not taking any unnecessary contact which also makes this ideal for kids! elusive shapes and as a result new and unusual striking angles which are difficult to counter!