Vertical railings: "Panging railings", as the name suggests, are railings placed on the two sides of the steps of the steps, and the components are also changed as the railings continue to evolve. The existing common railings are also mainly sought after. Components such as rods, Huaban, and Wangban. The difference between the vertical railing and the general railing is that the overall image is inclined with the vertical belt, that is, its respective members are parallel to the vertical belt in the lateral direction. The front end of one of the bottom pillars is often placed with a drum stone.