So if you have like even a little bit of rust or dent, like, resin, under the stamper itself, it'll show through in a visual non-conformance and actually can have playback issues on it.
Audio issues that we're going to identify, things like swishy noise, for example, that could be just an issue with the material and how it was pressed, or it could be a problem built into the stamper.
There is another thing that we refer to as stitching or no fill, where the material is not filling all of the grooves of the stamper, and then when it comes off, some of that material is just missing.