grab a pair of needlenose pliers and pull the wick up 1/8" or so and kinda scruff it up/unthread the wick a little, sometimes it's a little tightly-bound and doesn't absorb the fluid right when new.
then pick up a flint kit they sell at any cigar store, if it's been in storage forever the flint/wheel might not be creating the kind of spark it was originally making. my bet's on doing some scruffing up of the wick itself, they get a lot better with age after unraveling a bit and they're wound too tight and covered with almost some waxy shit that prevents them from absorbing the fluid as well. i've futzed around with mine for hiking(they're invaluable along with a few emergency matches double-ziplocked. for freaky-windy conditions i find the big-tank/high-flow windproof benzomatic-style lighters. zippos are still my desert island pick, but they make some damn good mountaineering lighters that don't have the cold issues found when butane turns to a liquid, probably the surrounding tank's insulative properties and they're easy to work with gloves on and throw as huge a flame as you dial them to do. fuel hogs, but you don't need them for weeks either.
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"She has no waist, no arse...an interesting face...but all we are really worshipping is two bags of silicone"
Martin Amis "honoring" katie price with a character bearing some of her traits