My grandmother and mother told me not to do this when was I little, but I thought it was because I'd just get my swimsuit stuck in it. I also read about it in a Chuck Palahnuik (sp?) book, but hey, it was a Chuch Palahnuik book.
Apparently, if you sit on one of these drains, it can suck your guts out through your rectum.
Apparently, if you sit on one of these drains, it can suck your guts out through your rectum.