We had this at the studio, but it didn't make air because we ran out of time.

There are lots of these devices around for outdoor camping trips, or even for use around the home, but I thought this Multi-Function Outdoor Tool was decent for under $20. Here's Amazon's take on it: For camping, hiking, exploring, (even simple household fixes,or an emergency tool in car.) This stainless steel tool set has a wood handle combined with an axe, hammer, pliers, wire cutter, Phillips screwdriver, saw, a serrated knife, screwdriver, file, and of course, a bottle opener! – Now seeing it in person, you're not going to do any serious chopping with the axe, but it might come in handy really small branches, although the included saw might work faster. I bought mine on Amazon & it seems decent for the price. It was $16.88 as of 6/27/19.

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This never affects how we rate Amazon gadgets since we mostly buy everything we review.