VolBanger is known to come up with unique designs and so does this skull shaped oil rigs. Silicone is used to make this oil rig which provides flexibility as well as offers a lightweight option. The rigs are multicolored and the overall design is off beat. The rig is of 10.6 inches and since it is made of silicone it is not easy to break. The rig can be folded and packed off easily when not in use. It has a basic working design for a smoking pipe and can be easily loaded for use. Various combinations of multicolor are available for this dab rig.