"You say this serum comes from cows, originally--actual cows?" asks a wary, uncertain-looking Briar, but he lets himself be poked in the arm in full view of half a dozen local children nonetheless, because this may be Sandry's idea but it's Rosethorn wielding the needle, and he can feel the maple trees murmuring their approval from just beyond the flagstones.

"Not every Trader will be convinced of this one at the start," Daja warns her as she rolls up her sleeve, "but you'll have a fair chance with most; they'll hear you ow!... hear you out, Rosethorn, did you time that intentionally?"

"I suppose it's my turn," says Frostpine with a sigh that might just be feigned, given the wink he tosses Daja's way, "seeing as my student's set such a good example for everyone here - oh well."