Is it really a knife? Or is it a firestarter? Well, it's both actually. The Light My Fire Swedish FireKnife is a unique tool in that it looks and functions like an extremely sharp, flexible and sturdy all-around knife, but when you slide off the handle, inside is a firestarter that works in all weather and all altitudes. With what other tool can you clean and gut your dinner and light the campfire to cook it over?