In the video, a person's hands are seen working on a gear. The gear is made of metal and has teeth around the edge. The person is using a tool to adjust the teeth of the gear. The tool is small and appears to be made of metal as well. The person's hands are steady as they work on the gear, and they seem to be experienced in this task. The background is blurred, but it looks like the person is working in a workshop or garage.