Rarity has a theory that Twilighting can be treated by having Twilight focus on a single, simple task - one of repeated, engrossing motions. Twilight will soon discover the accuracy of the theory, and how generous Rarity is in providing equipment for testing it.

Started before learning of Monochromatic's RariTwi Bomb, but lining up nicely with it, and finished in time for it to be officially listed.

Contains: Rarity in leather pants. And then Rarity out of leather pants, so Twilight can reach her big tasty cock.