If teen magazines are to be believed, period accidents can happen to anyone, at any time, to extreme effect. While many of the stories of errant tampons or leaky pads printed in those magazines are likely embellished, any person who’s had a period knows that even thorough preparation doesn’t guarantee a life without leaks or stains or slips. Many people even have “period underwear” — a generally ratty pair of panties you don’t mind getting ruined. But in the last few years several new companies have cropped up, offering underwear to help hold pads, wick moisture, and even replace tampons. Here’s how they work.
This article originally appeared on Recode.net.