In the video, a person is seen holding a black gun with a spring attached to it. The person then removes the spring from the gun and places it on a table. The person then picks up the spring and attaches it back to the gun. The person then pulls the spring back and forth to show how it works. The person then removes the spring again and places it on the table. The person then picks up the spring and attaches it back to the gun. The person then pulls the spring back and forth to show how it works.