Slipknot Vs. Justin Bieber Psychosocial Baby [VIDEO]Slipknot Vs. Justin Bieber Psychosocial Baby [VIDEO]I hate bringing up Bieber again, but sometimes I've just got to do it. Check out the mash up of one of his miscarriages of a song mashed up with Slipknot's Psychosocial.FantoneFantone