In the video, a person is seen using a machine to sharpen a knife. The person holds the knife with one hand and uses the other hand to guide it along the machine's surface. The machine appears to be a grinder or sharpener, with a rotating wheel that the person uses to sharpen the knife. The person's movements are steady and controlled, indicating that they are experienced in using the machine. The knife itself is a standard kitchen knife with a silver blade and a black handle. The machine is made of metal and has a lever that the person uses to adjust the sharpening angle. The background is a workshop or garage, with various tools and equipment visible.