Gear Review: WetFire Tinder

Foolproof tinder to get your fire raging

Developed for military use, WetFire Tinder starts when soaked (one tester even ignited it in the middle of a puddle), burns for about a minute, and only weighs .2 ounces per cube. At a buck each, how can you afford not to have one stashed in your pack? $8 (pack of eight);