In the video, a person is seen holding a knife in their hand. The knife has a serrated edge on one side and a smooth edge on the other. The person is using a piece of sandpaper to sharpen the serrated edge of the knife. The sandpaper is being moved back and forth along the edge of the knife, presumably to sharpen it. The person's hand is steady, and the motion is consistent, indicating that they are experienced in this task. The background is dark, which makes the knife and the person's hand the main focus of the video.