Yes, they sell and aren't cheap. How do you all remove the coffee stains from your s/s mug? I have an old black and red checkerboard 16 oz s/s mug that needs a thorough cleaning. Coffee seriously stains s/s.
They both can be used to remove product from the system.
Defect requires a printer, a reason and usually limits you for removing an individual quantity of an item per scan.
Audit requires accepting a large change when it hits a $300 threshold.
Outside of "tagging" a reason for removing that...