Chicago’s three-day, punk-rock carnival was host to Slayer, Jawbreaker, Raconteurs, Patti Smith, Rise Against, Bob Mould, Rancid, Bikini Kill, Lucero, the Struts, and more. Here are our favorite guitar-related moments from the 15th annual gathering.

Rancid’s Tim Armstrong

Guitarist and co-frontman Tim Armstrong gets busy with his bastardized ’70s Gretsch Country Club model that’s painted black and flipped to accommodate his left-handed playing.

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