The Big Black Book of Sex Positions Dolls vacuum cylinder allows you to

vacuum cylinder allows you to see your cock get bigger and fatter with each pump

Its premium silicone formula stays right where you put it and is water resistant for long lasting play in the shower

simply press the quick-release valve to instantly relieve the pressure

giving you flexibility wherever you go

easy to clean and splashproof

The Big Black Book of Sex Positions Dolls vacuum cylinder allows you to"People should get ready to take their sex life to a whole new level. Here is an oversized, full color guide to heating up any bedroom with these tantalizing positions that will enhance your sex, impress your partner, and make lovemaking more fun than ever for them. The authors also offer sections on foreplay, toys, setting the mood, exercises to improve your performance and flexibility, BDSM, sex positions for the overweight, why size only matters