Yoni Egg

A Yoni Egg is a polished rock that the buyer inserts into his or her vagina, with the intent of strengthening the vagina muscles. Most of the rocks made for this purpose are porous, which could incubate bacteria, leading to bacterial vaginosis or toxic shock. And there aren’t any clinical studies showing that clenching the pelvic floor muscles to keep a rock inside will strengthen it. (Kegel exercises are the medically-accepted way to strengthen these muscles, and if you feel this is something you need, you should ask your doctor, not a guy with a blog that posts books called Pounded In The Butt By My Own Butt.)