This pin reminds me of when we first meet the lads. I think because in this picture theses boy are leaning on each other showing the difference between them by how they are standing. This is something out lads could do, but we could make it more threatening by adding in different levels.
New York photographer Bruce Davidson documented a gang of troubled Brooklyn teenagers in 1959 that called themselves the Jokers. Check the album out here. http://www.retronaut.co/2010/06/the-jokers-1959/