The video shows a person's hand tying a knot in a black cord. The cord is lying on a wooden surface, and the person's hand is visible. The knot appears to be a square knot, which is a common type of knot used for securing items. The person's hand is steady, and the knot is tied with precision. The cord is thick and appears to be made of a durable material. The wooden surface underneath the cord has a smooth finish and is of a light brown color.