If I had to guess, they appear to facilitate a sort of system involving punch card-based alchemy.

If you're trying to get his goat, you should know he only stocks the animal in the first place for ironic purposes.

The only thing left to do is ride out the next several conversations while you maintain that understanding. And while I maintain the chilly facade you have grown to so enjoy from Smart Rose. Which shouldn't be too difficult, because... have I mentioned? I'm busy. Goodbye.