A strong pelvic floor guarantees stronger orgasms and we're all for that! Weighted balls placed in the vagina whilst exercising will help maintain the health of the pelvic floor and guard against incontinence and prolapse. And they feel amazing! Ben Wa Balls or single balls without the string can be left inside during sex for all sorts of fun and games. Balls for the butt are great to wear during sex or whilst getting a spanking.