As bizarre as that may sound, it’s exactly what one teenager from Japan did to gain internet stardom, though probably not in a good way. In the first video, you’ll see YouTube user tokiofn tries out a G18 toothbrush gun prototype and is thoroughly pleased with his invention but struggles to get a good-quality clean. Not satisfied with the experience, tokiofun upgrades to the bigger SCAR-L toothbrush gun in the second video. Continue reading to watch both.