Last week British YouTuber (and plumber by day) ColinFurze, above, shared his set of gnarly, air-powered, razor-sharp Wolverine claws with millions. You thought that was the end of the claws race?

Fine, the claws aren’t coming out between his knuckles. The point is they are real blades. Ice skating blades, to be specific. Here they’ve been sharpened to deadly, uh, sharpness. It can cut salami a ...