The easiest place to get this is right before you get the bow. When you jump on the platform that lowers, theres a guy in a cell. L1+O him, then just hold down L1+O. Then, just wait til it pops. I surfed the web waiting for this one to pop.
the chicks dig it..
PS ViTA Owner
LAST PLAT EARNED: Bioshock Infinite
MY QUEUE: Soul Sacrifice, Last of Us