on land and that there is an origin for each of the famous swords, like the Dragon Stream Sword, the Tai O Sword, the White Rainbow Sword, the Purple Lightning Sword, the Sword of Fish Intestine, the Moxieh Sword, Gan Jiang’s Sword, the Sword of Great Tower and others.” The book Four Masters Of Chinese Storytelling: Full-length Repertoires Of Yangzhou Storytelling On Video reads, "During Wu Song's stay in the capital, he studies the swordplay of the 'Rolling dragon sword' from the senior master, Zhou Tong." Civilian None of Yue Fei's biographies--Yue Fei Biography, The Story of Yue Fei or Biography of Song Yue, Prince of E—ever mention any kind of Kung fu styles in connection with Zhou Tong. The following skills come from sources not originating from the Song Dynasty. Chuojiao Chuojiao is an external northern Chinese boxing style famous for its deceptive footwork and wide array of kicking techniques. One legend states a wandering Taoist named Deng Liang () created the style during the Song Dynasty when he used a Chinese abacus to expand the 18 basic leg attacks to 108. From Deng, the style passed to Zhou Tong, who supposedly taught it to Yue Fei. Because of his popularity, Yue Fei is often considered the progenitor of the style. According to the book Jiuzhuan Lianhuan Yuanyangtui (), practitioners of "Nine Ring Mandarin Duck Chuojiao" consider Zhou Tong their founder. Chuojiao is alternatively known as the "Water Margin Outlaw style" and Yuānyāng Tuǐ ( - "Mandarin Duck Leg"). In the Water Margin's twenty-ninth chapter, entitled "Wu Song, Drunk, Beats Jiang the Gate Guard Giant", it mentions Wu Song using the "Jade Circle-Steps with Duck and Drake feet". One Northern Praying Mantis manual mentions Lin Chong as the thirteenth master (out of eighteen) invited to Shaolin to teach his "'Mandarin ducks' kicking technique". This links together Zhou Tong's historical and folklore students Yue Fei, Wu Song and Lin Chong and Chuojiao and Mantis fist boxing. Eagle Claw Eagle Claw is an external northern Chinese boxing style known for its powerful gripping techniques, Qinna joint-locking, pressure point strikes, and acrobatic leaping. According to Yang Jwing Ming, "Yue, Fei created for his troops two new styles of Wushu. The first [was Xingyi]. The second style, which he created out of external Wushu, was Eagle Claw (鷹爪), a style which put a major emphasis on Qin Na (擒拿). The external style, because