 In Thailand, Muay Thai fighters will often provoke attack by tapping their lead foot or by letting it rest in the air, both considered grievous insults within that nation.Linear movement is common to a great deal of the martial arts world, and is predominant in arts of Japanese and Korean influence such as many forms of Karate and Tae-Kwon-Do, as well as some grappling arts such as Jiu-Jitsu, Judo, Sambo and Shooto, and few forms of Chinese martial arts, such as Wing Chun and Bruce Lee's later incarnation, Jun Fan Gung Fu.Perhaps the most stark example of linear footwork, however, is that used in European fencing, especially within the modern sport aspect.