I really try to make sure I have plenty of tinder with me. If you're going to carry stuff in the first place it might as well be useful! My opinion is that you should be prepared to get a fire going with 10 seconds of open flame. To that end I always have ESBIT/Tinder-Quik/Tinder Card etc with me too.
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman