In the video, a person is using a machine to cut a piece of black leather. The leather is held in place by the person's hand, and the machine is used to cut along a white line that has been drawn on the leather. The machine appears to be a specialized tool for cutting leather, and it is being used to make precise cuts along the marked line. The person's hand is steady, and they seem to be experienced in using the machine. The leather is cut into a specific shape, and the video shows the process in detail.