In the video, a person is seen assembling a black metal object with a knife attached to it. The person is holding the knife in one hand and the metal object in the other. They are using a small tool to secure the knife to the metal object. The person's hands are visible in the frame, and they are working on a black surface. The knife has a silver blade and a black handle, and the metal object has a cylindrical shape with holes on its sides. The person appears to be focused on their task, carefully aligning the knife and securing it in place.