A bare-fisted brawl has erupted - mostly via social media sites like Twitter - over who really gets to call itself the mitten state after it was revealed that Wisconsin tourism officials have launched a new winter ad campaign depicting our neighbor on the other side of the lake in the shape of a mitten. Another hand map The mitten is Michigan's brand, she said, the image known around the world, a logo adopted by countless Michigan-based businesses and the state's own tourism campaign, Pure Michigan.