To commemorate the 10-year anniversary of their self-titled debut, Slipknot will release a special edition of "Slipknot" that includes demos, B sides, remixes and a bonus documentary called "of the (sic): Your Nightmares, Our Dreams". The band will also play a one-day festival in their Des Moines, Iowa, home. The release and the show are both scheduled for September 9th.