One of the most popular tips over at Gothamist Contribute is sightings of the Giant Inflatable Rat, a favorite tool of pro-union protestors around the city. Now all of you rat fans can unite at The Rat Patrol, a group for G.I.R. enthusiasts at Flickr. Also, check out all the other members of the giant inflatable animal family. We're totally getting the Giant Inflatable Panda for our next happy hour!