Knock-knock jokes are funny until the engine starts telling them. This Backlash HQ mechanic-humor tee is for anyone who knows exactly how expensive one bad sound can become.
Printed on a heavyweight Comfort Colors 1717 garment-dyed tee with a relaxed unisex fit and broken-in feel. Built for mechanics, garage regulars, project-car owners and people who diagnose noises before they finish the sentence.
