https://www.rapbull.net/posts/856/%e9%9b%99%e6%88%aa%e6%a3%8d%e6%98%af%e5%8f%97%e7%ae%a1%e5%88%b6%e6%ad%a6%e5%99%a8%ef%bc%9f/
雙截棍是受管制武器?