Pirate law. [Commodore Prefect could not sound more contemptuous if he tried.] Nice to know that there's at least one rule which you'll obey.

[But wait! A thought occurs!]

This lock, that you'd bring to pick for me, would it be anything like the one on this cell?

[He tries to make another potentially alluring, potentially just less angry face.]

Perhaps you could show me how? It would be, so that I could understand you, and your work better, and therefore would not in any way infringe upon pirate law?