Credit Card Survival Spear
Here is another credit card sized gadget that can save your life in the outdoors. The Credit Card Survival Spear is under 1mm thick, so you can fit it in your wallet. It has a corrosion resistant surgical grade stainless steel construction.
The tool comes with permanent adhesive on one side and semi-permanent adhesive on the other. It comes in two sections which you can use to create two flat spears. Costs under $20 at this time.[where to get it]
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