Usually this does not matter as much in cars as it does in working on aircraft but tool accountability is never a bad thing. We are required to etch our tools, and shadow our boxes. PITA? Yes, would a performance shop that has a tool and rag accountability program save them from either tools growing legs and walking out, or ending up foding something out help? Basically if i walk into a well organized, clean, and professional shop i will send customers their way.