The note is, predictably, an invitation for him to fuck himself. It is carefully worded so that, should Jaskier wish to experience the real thing, he might take it as an offer. Jaskier doesn't and doesn't need to read the note to know its contents. He makes a wordless choked sound and takes a deep breath.

"Because," he says calmly, as calmly as he can manage. "There are fates worse than death, and this is one of them."

It's a bit dramatic but, by the gods', this is a catastrophe and rivalry between bards. If it weren't dramatic, what would the point be? Jaskier considers the cock with the sort of disdain most people level at actual severed limbs. He plucks the ball gag up and holds it out at the end of his fingers--

"Is this of use to you, my dear?" Was it Valdo's enough that it could damn him? If not, it is a worthless trinket and will be cast aside at the first opportunity.

The cock in the box is an insult, but a dangerous one and Jaskier is more clever than Valdo gives him credit for. He glowers down at it and sets it aside. His expression is dark and angry, but there's a bit of mischief in it.

"My dear, I don't suppose you know which courts have a strained relationship with Cidaris?"