"don't sit on top of the pool drain!" my dad used to shout...

he said it would pull my guts out or i'd be stuck under water attached to the drain. morbid, yes, but i never sat on the drain. and thank god because a 6 year old girl in minneapolis had her small intestine pulled out while she was in a swimming pool at her family's golf club. go here to read more on the chilling incident.