The video shows a group of police officers in riot gear. They are wearing helmets with visors and gas masks. The officers are holding a chain and moving it back and forth in a coordinated manner. The background is a park with trees and grass, and there are people walking by in the distance. The officers are dressed in dark blue uniforms with badges on their chests. The chain they are holding is silver and appears to be made of metal. The officers are standing in a line, and their movements are synchronized.