When it's spinning smoothly, stare at the center of the spiral for about a minute.Then look at the back of your hand...It will appear to be twitching and moving, as though bugs were crawling under your skin!
I can't get it to "spin smoothly" :(
What does "Spin Smoothly" even mean?
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2 Responses to Crawling Bug Spiral Illusion
I can't get it to "spin smoothly" :(
What does "Spin Smoothly" even mean?