So, does anyone know what's going on with k girls? I've seen some of them with this black colored thing on their gums which is a huge distraction for me during dfk. It almost seems like they are chewing some kind of black substance. Would appreciate it if someone can clue me in.

and the fact that it is rolled up, it is a green or blue condom. They are skilled at keeping it in their mouth. How else do you think that so many reviewers mention, "I didn't even realize she had put the condom on me when she started riding me?"

You've got a hot, naked woman that's gonna give you a bbbj and let you fuck her til your hearts desire and all you can focus on is her teef when you're dfk'ing her? wtf? C'Mon MAN

it's a condom? I have encountered that myself and the condom she put on me was not green or blue.  I have no answer to the OP's question though but I doubt it's a condom.

And scored some betel nuts. I chewed on some when I was a kid once without knowing and it was exactly. It was a decent ride, but I hear you can get a fat buzz from them and they curb hunger.

Its usually something flavored. Becsuse some guys dont taste good.  Either a dudes breath (even with listerine toast) smells like shit or his dick tastes likeits been dragged through someones dirty asshole... they use those flabored things not gag and or barf on them.