The video shows a person's hands assembling a folding knife. The person is seen holding a knife blade and a piece of metal, which they then attach to the blade. The person then attaches a small piece of metal to the blade, followed by a larger piece of metal. The person then attaches a small piece of metal to the larger piece, and finally, the person attaches a small piece of metal to the blade. The person's hands are visible throughout the video, and the background is a black surface.