The derriere has always been an area of interest and intrigue. The sight of rear-end can be stimulating: his tight buns in those suit pants, and hers swaying effortlessly under her pencil skirt. Is it really taboo? The thought of being naughty and erotic can be down-right pleasurable and exotic! If you're ready for some backdoor play, the Sexology Institute is right place. Learn the power and pleasure of the booty including: history, anatomy, health, etiquette, positions,techniques, prostate stimulation, pegging and orgasm.