 Although Lin and Lu have been connected to Zhou since the early Qing Dynasty , Wu Song did not become associated with him until Wang Shaotang created a 20th @-@ century folktale in which the two meet in Kaifeng . The tale takes place during Wu 's mission to Kaifeng , but before the murder of his older brother Wu <unk> . Zhou teaches Wu the " Rolling Dragon " style of <unk> during the constable 's one @-@ month stay in the capital city . This tale was chapter two of Wang 's " Ten chapters on Wu Song " storytelling repertoire , which was later transcribed and published in the book Wu Sung in 1959 . It eventually carried over into the storyline of Iron Arm , Golden Sabre and , subsequently , The Legend of Zhou Tong . In the latter version , Wu instead learns <unk> <unk> boxing from Zhou during a two month stay in the capital . 
