Heavy cardboard formed into a rectangular box. Thinner cardboard above the front with hole and slot form for threads. At back of inside is a wooden dowel that connects through the side with a simple ratchet and pawl.
Heavy cardboard formed into a rectangular box. Thinner cardboard above the front with hole and slot form for threads. At back of inside is a wooden dowel that connects through the side with a simple ratchet and pawl.
