You can find the movie on digital platforms like Apple TV or through physical collections from retailers like Shout! Factory.
The film is celebrated for its inventive use of the "Iron Flag"—a spear with a large flag attached that is used both for defense and to hide lethal strikes. The Flag of Iron Movie
Philip Kwok (Kuo Chui), Chiang Sheng, and Lu Feng. Genre: Kung Fu / Wuxia. You can find the movie on digital platforms
The film has seen modern high-definition releases, including a special edition Blu-ray by Arrow Video and inclusion in the Shawscope Collection. The Flag of Iron Movie