The main virtue of the SparkLite is it is a one handed fire lighter. It does not work very well on anything other than cotton balls and TinderQuick. Butane lighters do not work in the wind or when it is cold.

The best combination for me is butane lighter, ferro rod, fat wood, and treated cotton balls. For one hand use stick a knife ¾ of the way in the ground and scrape the ferro rod against the blade.
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Thermo-regulate, hydrate and communicate.