The iconic Chicago-style hot dog can be found all over the city and beyond. A hot dog dressed in mustard, pickles, green relish, onions, sliced tomatoes and celery salt can be called "dragged through the garden," but where can vegetarian and vegan Chicagoans find a meatless dog to take part in the tradition? Watch how five hot dog restaurants make their vegan spin on the classic Chicago-style hot dog.