http://zapatopi.net/afdb.html
These work best. Also keeps aliens and Art Bell from stealing your thoughts.

Also know to keep radar. I just worry about my dog, I wonder if Osama Bin
Laden is using one so the CIA can not find him?
"Andy in NJ" SHORECOGS at COMCAST DOT NET wrote in message
...
Just buy an aluminum helmet and you'll be ooookay.