Slipknot were never normal, but now it seems like they are upping the creepiness quotient day by day. The masked marvels from Iowa have released a teaser trailer for their upcoming album, about which little is known. Unlike the trailers recently released by Metallica, this one sheds absolutely no light on the album, and, in fact, probably thrusts further into darkness any guesses on the album's content. The trailer resembles a horror movie in that it follows the explorations of a heavily breathing unseen individual from a first-person perspective. Yeah, it makes no sense to me either. Just watch it:



Don't forget Slipknot will be wreaking havoc across the U.S. this summer on the Rockstar Mayhem Tour, which begins July 9 in Seattle. Check out this gallery of all the bands who will be a part of the mayhem: