In the video, a person is using a tool to tighten a bolt. The tool is red and black in color, and the bolt is silver. The person's hand is visible, and they are wearing a red shirt. The background is blurred, but it appears to be a workshop setting. The person is using the tool to turn the bolt clockwise, and the bolt is getting tighter with each turn. The tool seems to be a wrench or a similar type of hand tool.