When I was a mechanic, MANY years ago, we used to have a "Wall of Shame" in the garage. Rotors warn down past their face and into the cooling fins, Brake pads warn past the pad, backing plate, and into the caliper piston, shock pistons pulled out of their base, water pumps fins sawed through their housings, clutch discs completely worn away so only the center is left. Basically stuff worn WAY past replacement time, But I've never seen anything like Shamu's pictures let alone bax's. We should start a "Hall of Shame" thread so rookies know what to look for.