Why can Laojiu Male Eighth Master touch Sixth Master's knife?

Awe. Eight lords, formerly known as Qi Tiezui, is a character in the TV series Old Nine Gates. In this play, because of his superb fortune-telling skills, Eighth Master makes everyone fear him, and he can easily meet Sixth Master's personal treasure knife. Old Nine Doors tells the story of1July, 937, when the Japanese army launched a full-scale war of aggression against China. In order to solve the mystery of the mine, Zhang Qishan, the protection officer of Changsha City, turned to antiques to appreciate everyone's February Red, and forged a deep friendship with the Japanese army.