14+ only. Under 16's must be accompanied by an adult. No refunds will be given for incorrectly booked tickets. After a sold-out show at The Leadmill, Knotslip return to Sheffield for another night of Slipknot chaos at Foundry on Friday 6th February. The UK’s ultimate Slipknot tribute bring the masks, crushing riffs, thunderous percussion and all the anthems from one of metal’s biggest bands. Expect a full-throttle live experience packed with Slipknot classics, energy and pure adrenaline.