And along with a range of Slipknot-themed sights and sounds, the band are planning on giving the event its very own scent - by burning camel dung in oil drums throughout the festival grounds.

The group's percussionist Shawn 'Clown' Crahan tells Rolling Stone: "We did the camel dung on the first Knotfest. It was awesome, it was beautiful. Fans came into the museum and they had to be hit with camel sh*t - a very distinct smell.