Iowa icons Slipknot released their first new music in six years after premiering ‘The Negative One’ via their website on Friday, but now the band have a brand new music video to show you. The track comes from Slipknot’s as yet unfinished fifth studio album set for release late this year. The band are set to play Knotfest in San Bernardino, CA the weekend of 25th and 26th August, headlining both dates with different sets and a full supporting bill on both days.