Brian McKnight became a viral sensation with his adult mixtape song “If Ur Ready to Learn (How Your P**sy Works).” Now he has teamed up with Funny or Die to create a humorous video to accompany the risqué tune. The 42-year-old crooner schools a group of women on how to maximize their pleasure in the bedroom and even goes exploring himself. Here’s a lesson from Mr. McKnight’s Snatch Academy.