Home General The Hollow Mask 7 years ago 7 years ago General The Hollow Mask by medgif 7 years ago7 years ago 1.1kviews 162shares Facebook Twitter162 shares The hollow mask illusion is a feat of optical witchcraft that tricks your brain into thinking that the inside of a rotating mask is exactly like the outside -- a face with protruding features. Here, give it a try. We'll wait. Post PaginationPrevious PostPreviousNext PostNext face, illusion, image, mask, transplant