Some creative thinking

Lash slowly gets on her knees as she starts to stroke Jack's cock.

"Hmm, right there Lash."

"My, my." Lash murmurs, "What a nice cock you have there?"

"All the better to fuck you with."

"Hmm, I bet. And this is the only place to get the map?"

"You bet, now why don't use your mouth other then speaking. I promise the ink of my cock won't run off with your saliva."

"Hmm, I could do that." Lash then pulls out a knife, "But I think I have other plans."