Halloween in Iowa’s capital city now comes with an extra dose of homegrown headbangin’.

Des Moines’ own masters of musical macabre, Slipknot, announced a partnership Thursday with the Slaughterhouse, a popular local haunt, for a month of fright influenced by the band’s two decades of heavy metal imagery.

The 10,000 square-foot Slaughterhouse opens Oct. 5 at the Barnum Factory (97 Indiana Ave.) and runs through Oct. 28. General admission tickets cost $20, with $30 skip-the-line passes also available.

“It’s all about the fans,” said M. Shawn “Clown” Crahan, Slipknot percussionist and co-founding member. “It’s all about a special experience, making it one-on-one, almost. It really is going to be a moment in our history, in their history. And our history in Des Moines.”

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The haunt plans to feature imagery, music and characters from Slipknot’s canon. The Iowa-born nonet dons cryptic masks on stage with each member’s persona changing slightly with the release of a new record.

About 40-50 actors plan to bring the band’s “iconology, lore and culture” to life, said Slaughterhouse owner Ian Miller.

Slipknot management approached Miller this summer in hopes of partnering on the haunted attracted.

“It’s the ultimate nightmare come true,” Miller said. “We share that culture. … We pride ourselves on also giving voice and place and home to the disenfranchised.”

October marks Slaughterhouse’s sixth year in the metro and second in the Barnum Factory. About 8,000 visitors traveled through the haunt’s doors last year, a number expected to increase to 12,000 with backing from Slipknot.

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Slipknot plans to offer on Oct. 18-21 a VIP weekend for fans, including guided Slaughterhouse tours with a band member, meet-and-greet opportunities and merchandise bundles. VIP ticket information, including pricing, will appear at slipknot1.com in the coming days.

Crahan said the attraction will meld the “music, oversaturation, temperature” that’s become synonymous with Slipknot. The group has sold a reported 40 million albums worldwide, wielding a rabid global fanbase known as "maggots."

“It’s all about our fans and these days I’m concentrating on the fans and humans that haven’t been touched yet and how to get them involved in the culture and the experience,” Crahan said.

Crahan, a 48-year-old Des Moines native, wouldn’t confirm when new music plans might drop, but he said the band’s “really, really looking to the future.”

The Grammy Award-winning group entered a temporary hiatus in 2016 following a North American arena tour in support of its latest album, ".5: The Gray Chapter."

“We still have a lot of time left of this year,” Crahan said. “We’re still off. It’s gonna be a minute for new music and new stuff. But … I’m here. So keep your eyes and ears open.”

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Next year marks two decades since the release of the band’s ravenous debut album. Led by cornerstone tracks “Spit It Out” and “Wait and Bleed,” the album went double Platinum in America.

Could fans see a 20th-anniversary celebration for the release?

“Oh, for sure,” Crahan said, who confirmed he’s gathering material for a re-release of the band’s fourth album, “All Hope Is Gone.” That album debuted 10 years ago in August.

“I’m in a band and I can’t stand that,” Crahan said of how he once viewed "corporate" anniversary projects. “But now, I’m like ‘wow.’ For instance, I’m working for ‘All Hope Is Gone,’ …and what I’m doing is I’m using the stuff I would’ve never approved.

"Now I can look at it and go, ‘Wow. The fans need to see this.’”

As for a Slaughterhouse appearance from Crahan’s on-stage alter ego, the Clown?

“Clown will be there,” Crahan said. “It’s pretty much what he does best.”

More information can be found at slipknot1.com and slaughterhouses.com.