Phenakistoscopes are old school machines that used illustrated discs to create animation. Kind of the round version of a flip book. And the Japanese band SOUR wanted those methods in their music video. The whole thing is pretty mesmerizing.
Do you have a lot of cavities? Perhaps it's because you lost a lot of enamel sucking on sour candy when you were a kid. It's almost as bad as battery acid—except it tastes much better.