Etched Optical Illusion BangerDress up your dab rig with the Etched Optical Illusion Banger! Constructed entirely of premium quartz material, this standard banger has a flat top design compatible with most carb caps and banger inserts on the market. Get lost in the sauce with the optical illusion pattern, which has a thin geometric maze etched into the outside for a hynotizing finish. Each banger has a 90 degree joint angle and a 14mm male joint connection size.