In the video, a person is seen holding a black object with a chain attached to it. The person is using a tool to adjust the chain. The chain appears to be made of metal and has a shiny finish. The tool used to adjust the chain is black and has a hole in it. The person's hands are visible in the video, and they seem to be wearing a black glove. The background is blurred, but it appears to be a workshop or garage setting.