This can hurt your brain. The most ugly twin. Spooky trippy visual illusion. #OpticalIllusionWed, September 30, 2015 7:51pmURL:Embed:Two dynamic moving hollow/bollow faces with bollow/bollow eyes. These faces with eyes are rigid objects. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Pinterest (Opens in new window) Related