I use the peanut lighters a little differently for EDC.  I have two. One is an intact lighter but no fuel.  The other has the lighter removed and is replaced with PJ soaked cotton ball wrapped in aluminium foil.  A little tuft of cotton ball is teased through a slit making it a wick.   I use the lighter case to hold the burning cotton ball like a permanent match.   I do this because I can't seem to keep fuel in these things very long, even without use.
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Gary