[Muffet retrieves her purchase and stows it in her pack happily. It's always nice to have a win-win situation, and she's very glad to have a way to reliably make a proper cooking fire.]

Being unfamiliar with the practice, I'll take your word for it- no sense ignoring the experts, after all.

...Also, if it turns out the tiger-sharks are milkable, the Storyteller and I are going to have a very awkward talk next time they decide to speak with us. We can only hope they find more typical dairy sources to be more, ah, narratively compelling.