[It shouldn't be surprising at this point that Law is entirely unfazed by this very thinly veiled threat.]

If your cuts aren't clean you should look into having your blade sharpened, eyepatch-ya.
[He doesn't need to know your name to throw needless shade. He does take a pointedly long look at the bared neck though, scalpel in hand, as if strongly considering the temptation. But then the moment passes and he packs away the rest of his supplies and stands up.]

Now, unless you plan on following me on my rounds, we'll have to talk more some other time.