MADISON, IL - AUGUST 24: An air wrench sits on the pit wall next to the car of Charlie Kimball, driver of the #23 Carlin Racing Chevrolet, during the practice session for the Verizon IndyCar Series Bommarito Automotive Group 500 presented by Valvoline & Axalta on August 24, 2018, at Gateway Motorsports Park in Madison, Illinois. (Photo by Michael Allio/Icon Sportswire)