Interesting, how does it feel with the metal in there ?
I call this my "I've lost everything but what's on me" kit.
In total I had in there sealed in waterproof plastic.
1 Credit Card
1 Photo ID
1 $20.00 bill
5 $1.00 bills
1 Printed paper with home and cell numbers for friends and family, with the "800" number and account code for a 400 minute pre-paid calling card.
Even with the MK5, you can't tell it's there and because Tilley's have a foam liner in there to make them float, there is no imprint on the top of the hat for anyone else to see.