On my key-chain I carry a magnesium fire-starter. I do this because it is indestructable. My pocket always has a mini-bic.<br><br>In my pack I carry the usual spark lite, vaseline cotton balls, strike anywhere matches, trioxane. <br><br>A final thought here. Many situations will leave you in cold environments without combustables to burn. All the fire-lighting in the world will be rendered useless. In this case a survival candle will keep a small shelter warm.<br><br>Take a look at Ranger Ricks idea of using one underneath a mylar blanket. I have heard these are flamable so I would keep the flame from touching the mylar.