I recently learned about the Survival Strap bracelet that is perfect for sailors, and now I wear it everywhere. It's a good example of form fused with function: an attractive device with a sailorly look that also happens to include some 15 feet of emergency high-strength cord. People have used this strap for tourniquets, for water rescues, for splinting a broken limb - you never know, especially on a boat, when in a crisis you might suddenly need an strong cord. Check it out.