Slipknot have announced a summer headlining tour. The band will also be joined by special guests, Lamb Of God, Bullet For My Valentine and Motionless In White. Tour Dates: 07/24 West Palm Beach, FL – Cruzan Amphitheatre 07/25 Tampa, FL – Midflorida Credit Union Amphitheatre 07/26 Atlanta, GA – Aaron’s Amphitheatre 07/28 Detroit, MI –…