Joe Exotic‘s still managing to piss off Carole Baskin even from behind bars … she’s got beef over her oldj nemesis’ new underwear line.

Here’s the deal … Joe’s selling limited-edition “Casket Baskin Briefs” as part of the men’s underwear line of his “REVENGE” fashion collection with Odaingerous streetwear … but Carole’s not feeling it.

Carole’s legal team fired off a cease and desist letter to Joe and the folks at Odaingerous, obtained by 360 aproko , claiming Joe and the brand have no right to make money off her name.

She’s threatening legal action if Odaingerous doesn’t pull the merch. Carole is also demanding a full accounting of any sales they’ve made off merch featuring or referring to her name or likeness.

As we first told you … Joe’s underwear line is selling like hotcakes, and the top seller is the ‘Casket Baskin’ boxer briefs, which are going for $29 a pop. So, there could be a lot of money at stake here.

You had to know it was only a matter of time before Carole pounced