Surprise! We’ve known for a little while now that Corey Taylor has a freaky new Slipknot mask… but he actually debuted it live at Rocklahoma last night (September 4), at the band’s first show in 18 months! While we were very much expecting to have to wait for the ’Knot’s next album cycle to see what Corey had conjured up this time, the frontman proudly displayed it onstage for the first time at Pryor, Oklahoma’s huge three-day rock fest – which, on Slipknot’s headline day, also featured the likes of Anthrax and John 5 on the bill. During the show – as well as showing off Corey’s terrifying new look – the band played a career-spanning set, opening up with We Are Not Your Kind’s Insert Coin and Unsainted, before tackling Maggot favourites like Disasterpi...