It is as if you looked at the world through two different eyeglasses. Using one pair, you see all objects as normal. Using the other, you see them as monsters. The sense of monstrosity is given by the scheme of the face, which doesn´t have the natural curved shape, but has taken on the rigid geometry of a robot figure.
All pictures shown are for illustration purpose only. Handmade glass may contain bubbles and shades may vary due to the manufacturing process.