In the video, a person is seen cutting a piece of cardboard with a ruler and a knife. The person's hands are visible, and they are wearing a pink sweater. The cardboard is placed on a wooden surface, and the person is using the ruler to ensure that the cuts are straight. The knife is used to make the cuts along the lines marked on the ruler. The video shows the process of cutting the cardboard in detail, with close-up shots of the person's hands and the knife.