 After studying the external styles of shaolin for many years, he discovered the unique effectiveness of the neijia and began training with Hung I-Hsiang, a master of all three of the major Chinese internal arts, xingyiquan, baguazhang and taijiquan.After many years of training, Hsu opened his own martial arts school.Hsu's school used a modified version of the Tang Shou Tao (唐手道; lit.