I found this a bit interesting. Not to mention, it is the first bracelet of its type that is large enough that I can wear it. Not exactly the most comfortable bracelet around the writs, as it it is a bit stiff. But then, that stiffness is the price you pay for having a handy dandy wire saw with you as well.
The Onion Survival Parasaw will give you 141" of paracord, and a tungsten carbide wire saw.
The major problem with this design, is its a one time use thing. You pick apart the two melted ends of the paracord to unwind and ultimately, extract your wire saw. If you want to use the saw, you have to destroy the bracelet. But then, it is a step above the usual paracord bracelet in functionality.