Here Is The Most Confusing Video Of All Time

So in case you didn't know I LOVE illusion videos. I rack my brain trying to figure out how the hell they are done in the first place. SO when I was scrolling Twitter and came across this video I watched it a couple times and STILL HAVE NO IDEA HOW ITS DONE.

Like seriously... How do you even do this? I've watched the video 30 times at this point and I'm just in awe. So if you watched it and know its done please feel free to let me know in a lot of detail. I'm trying to make one myself lol