One-of-a-kind Double Layered Dab Rigs by Chuck B. Glass. These unique banger hanger style rigs feature a heady, fully worked, layered glass body with a Squig marble attachment. A 3-hole diffuser is fixed to the 14mm female banger hanger joint offering the perfect amount of diffusion for a flavorful, milky dab. Add your favorite quartz banger or concentrate nail to have a beautiful, heady oil rig. Add a 14mm Quartz Banger and this dab rig is ready out of the box.