It's a simple trick but it's awesome when you see it. Watch the video and try to work out which direction each little white circle is moving.
Sometimes we just slowly keep watching things that we don't understand. This guy's channel is full of that.
Enjoy your sleep.
The funnest club in the whole wide world!
And now off into the deep dark thing we call sleep.
Instant appetite-killer and shudder-generator.
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