5 Things You Didn't Know About Slipknot

From group's singer before Corey Taylor to band's Bruce Springsteen connection

5 Things You Didn't Know About Slipknot
Find out five things you likely didn't know about Slipknot in the video above.

It's been more than two decades since the members of shock-metal group Slipknot first donned their horrific masks, and in that time they've become scene leaders. Their two most recent albums, 2008's All Hope Is Gone and 2014's .5: The Gray Chapter, both reached Number One on the Billboard 200 and they've earned a streak of gold and platinum plaques along the way.

But, even as they have ascended to a level where they can play arenas and stage their own Knotfest, there are still dark corners of their history. Here are five interesting facts about the ensemble – including a record that was never released to the mainstream, a special effigy the group made in tribute to late bassist Paul Gray in the studio and a secret connection the nontet has with another nine-piece group, Bruce Springsteen's E Street Band – that are not widely known.