In the video, a person is seen holding a blue ruler and a pencil. The person uses the pencil to trace along the ruler, creating a straight line on a piece of paper. The ruler has a clear plastic cover and the pencil appears to be a standard graphite pencil. The person's hand is steady, and the line drawn is straight and even. The background is a plain white surface, and there are no other objects or distractions in the frame. The video is shot in a well-lit room, and the focus is solely on the action of tracing the line.