Who gives a shit about what these things even are

Introducing Endless Mode: A New Games & Anime Site from Paste
Perhaps you’ve seen videos making the rounds on Reddit, Twitter, and elsewhere of these little fucking things. You spin them? They’re for kids who have trouble concentrating, or something, but now all kids love them. It looks like a little triangular gear, and little kids throw them at each other or make them do tricks. Maybe it has something to do with the water bottle flipping thing?
It doesn’t fucking matter.