Slipknot is an American heavy metal band from Des Moines, Iowa, formed in 1995. Slipknot consists of nine members. The current band members are Sid Wilson, Joey Jordison, Paul Gray, Chris Fehn, Jim Root, Craig Jones, Shawn Crahan, Mick Thomson, and Corey Taylor. The band's line-up has remained unchanged since 1999. Each member of the band wears a unique mask.