We just use hats....we've drowned several unintentionally and saved more
through good MOB procedure....great part is that you don't plan to have a
MOB drill...wind comes up, hat comes off, have to save the hat....better
that way...after all, what sane person jumps in to drown on purpose?

"Matthew Carmel" wrote in message
...
I have developed a device for practicing day or night time crew overboard
recovery drills. Details may be found at www.cobtarget.com