Slipknot‘s Corey Taylor has debuted a brand new mask at the band’s first show in 18 months.Yesterday (September 4), the Iowa metal icons performed at Rocklahoma Festival in Pryor, Oklahoma, marking their first show since playing Hartwall Areena in Helsinki, Finland, in February 2020.The annual three-day event kicked off on Friday (September 3) and features a line-up of big names including Mastadon, Andrew W.K., Steel Panther, Rob Zombie, Puddle Of Mudd, Grandson and more.Taylor’s new mask