While I have a feeling these dog tag multi-tools look a lot cooler than they perform, they are worth a look for any outdoor wanderer. Wrap up all those handy Swiss-Army-style gadgets right around your neck, so you're never separated from the tool you need. Comes with 3 mm LED, bottle opener,Phillips and flat screwdriver, serrated knife, fine and coarse file, cuticle shaper and tweezers. Weighs just 25 grams. via Inventor Spot