Today, if you go into a head shop just about anywhere you are bound to see one of these newer and complex devises. Whether you call it an oil rig, a dab rig, or a concentrate rig makes no difference as they are all the same thing. They were created as a more efficient way of delivering potent concentrated cannabis either in wax, oil, or butter form to the user. It gives you a cleaner more intense high as many of these concentrates rank around the 75-90th percentiles in potency. They have been a god send to medical marijuana users and an essential piece of equipment for any cannabis consumer. But where did these little babies come from and how did they get to be as popular as they are?