"Oh, I'm not sure about that. Not yet, at least. I learned from Rachette and she's really great at it! You might want to ask her." But then again, it's not like it's really a hard concept to understand; just to master. "I mean, I could tell you how it's supposed to go, but I can't really show you because I'm still so new at it myself." It's one more thing on the list of things she wants to master, but becoming a lock picker isn't a skill one can gain overnight. For the moment, she has insufficient skill.