The video starts with a clip from "Hannah", in which Jason has a foam finger on his hand, and he says, quote, "What am I supposed to do with my new foam finger?" Miley replies, quote, "Oh, I know."
Then it cuts to a clip from the "VMAs" in which Miley is rubbing a foam finger against her crotch. (It's actually pretty funny. Check it out here.) Jason Tweeted back, quote, "The funniest thing I have ever seen! Lol. FYI u r a genius miles."
(By the way . . . you can get the Miley foam finger on Amazon now.)