You can buy these little discs with rubber bags connected to them behind gas stations. Sometimes available online but coded as real feel Mollkin pussy. You can attach the disc via suction cup to any metal base can and it makes vibrations that bring the caffeine out threw the walls of the soda or energy drink can. The pure caffeine and a equal amount of water slowly fills up the baggie. It takes about 45 sodas to fill one baggie and that's a lot of raw caffeine you can consume so many exciting ways.