The video begins with a close-up shot of two screws lying on a concrete surface. One screw is lying flat, while the other is standing upright. The person filming picks up the upright screw and places it back down next to the flat screw. The person then picks up the flat screw and places it back down next to the upright screw. The person then picks up the upright screw again and places it back down next to the flat screw. Finally, the person picks up the flat screw and places it back down next to the upright screw.