 And it was empty. There was nothing inside it. And it had a cord attached to it. And then on the end of the cord, the other end of the cord was a small disc that you would stick onto your ankle or your wrist. And then you would put the cylinder in a dish of water. And you would sit there and relax. It was supposed to then transfer oxygen into your body and make you feel better. That's when he changed it to the name of Oxydoner eventually because it was like the giver of oxygen. And then he upped the price and he stuck a carbon rod inside the cylinder, which did nothing.