A new optical illusion has hit the internet and while I can hear you yawning from here at how boring that is, this one is going viral for one simple reason: anyone can copy it.
The trick was shared by Twitter user @kay_dera a week ago and has since gone viral, having been viewed more than 3 million times.
"Let's see how far this goes," she wrote in the caption to the video. The answer: very far.
Some Twitter users were completely puzzled by the hand trick.
