The Single Most Dangerous Thing You Will See All Day

I admit, I have a soft spot for technical drawings and off-beat inventions. Which is why google patents is like, the new love of my life. You can literally kill hours and hours there, just popping random junk in the search bar and seeing what comes up. I love finding stuff that I then see for sale. Stuff that I thought WHAT THE WHAT when I saw the patent.
Anyway, "ballet" is always a fun search term to use. Or "pointe". Because so much of this stuff is soooooo crazy. Here is the single most dangerous thing I have seen all day:

That is right, it's a crazy-ass pointe shoe with metal spikes on. You know, so you can do POINTE ON THE ICE. Because... uhm... because you haven't been in traction any time recently and it sounds like a great way to pass some time? Anyway, the full patent is here, so you can see the full-on insanity for yourself. I am LOOKING AT YOU Leo's!