Slipknot: Day Of The Gusano is a documentary and live film that will chronicle Slipknot's most recent Knotfest Mexico festival, and will go both behind the scenes and live on stage with the band.  The film will premiere in theaters all over the country on Sept. 6th. You can see a listing of showings here.
In this clip, frontman Corey Taylor talks about the connection with fans of the band, aka maggots, and even tries on a mask a fan made. You can check out a portion of the band's performance of "The Devil In I" below, as well as see the band rehearse unmasked here.
