The photo shows a piece of fiber board approximately 8 inches long by 4 inches wide. The ends are rounded rather than it being a rectangle. Around the perimeter of the board there are slots spaced about 1 inch apart. Each slot is about 1 inch deep, from the edge, by a quarter inch wide. Wire has been wound around the board by starting at a point and weaving above and below the board through the slots and around the board. There are approximately 36 turns of wire. End verbal description."> go back.