nostr:npub1agutqwfh0et4c5a5vr8s2pa5g3kh86c864p3cmdkck4rgpv2ypcs5vz5tk saw a presentation during a college course, and the person explained it while doing the moves you see people do in the park, real slow for the entire 12 minute speech.

At the end, they did the whole thing in a few seconds. Not as fast as this video, but still looked like it could be violence