Originally Posted By: CANOEDOGS
… if there was a one shot--pull the tab and drop in a pile of wood fire starter i would like to find it.

I believe a pyrotechnic flare would fit that bill pretty well. It’s not too far-fetched for a boater/canoer to carry, either.
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“Hiking is just walking where it’s okay to pee. Sometimes old people hike by mistake.” — Demitri Martin