Click through to see this animated (gif) optical illusion. Cover the middle and you go faster, cover the outside and you go slower.
Most hilarious, cute dog selfish ever! For funny dogs, art and fashion, enjoy RushWorld boards, GIFS TOP 1OO ON EARTH, WTF FASHIONS, SPELLBINDING ART INSTALLATIONS AND BARK RUFFINGTON'S DOG KINGDOM. See you at RushWorld! New content daily.