Leatherman has come out with a new multi-tool bracelet Want one! Leatherman Tread Multi-Tool Bracelet – and a Watch Too! | ToolGuyd
According to the reviewer, they are TSA compliant...so airport security shouldn't be an issue. Bit overpriced though... I'd like to see a real world demonstration, I bet them links aren't that strong..
its quite unique, Price vs value? If you've ever had a Letterman Multi Tool you will know that their build quality and durability are second to none.