Posted By: Staff May 26, 2021 @ 4:40 am Rock Daypop Slipknot are returning to their homestate of Iowa with another Knotfest on September 25th at Indianola’s National Balloon Classic Field. Slipknot will headline the Iowa show, with the rest of the lineup featuring Faith No More, Megadeth, Lamb Of God, Gojira, and Trivium. Rappers $uicideboy$ and Tech N9ne will also play. as well as Turnstile, Knocked Loose, and Gatecreeper. For more information on Knotfest Iowa, click here. Editorial credit: Yulia Grigoryeva / Shutterstock.com Previous Story