Corey Taylor remembers the moment like it was yesterday. “The hairs on my arm stand up,” he grins with a glint in his eye. “People were not ready for it…” September 4, 2021. It’s stage time for Slipknot at Oklahoma’s Pryor Festival Grounds. The band’s elaborate production blasts out brilliant blue lights as the opening setlist song Insert Coin rings out across the venue. Eight members take their places as normal. But something is markedly different about Corey when he strolls out to his usual spot, right in the centre… It’s definitely nothing to do with those iconic, unmistakable pipes, as he begins to belt out the massive sing-along intro to Unsainted. Slowly but surely, though, the lights lift to reveal that the frontman is – seemingly out of nowhere – wearing a bra...