What's an "uncle" pattern? No, ungual. "Gaa"...

- What's an uncle pattern? - No, ungual. "Guh. " "Guh. "

The scraping is uniform in spacing but not in depth, which suggests an ungual pattern.

Ungual. How do I say this in a way that makes sense to Booth?

Yeah, I know what scoring means. The scraping is uniform in spacing, but not in depth, which suggests an ungual pattern.