Even the best of knives won't do you any good out in the field if the blade is dull. Whether you're hunting, camping, or backpacking, a portable knife sharpener is an easy and quick way to keep your tools razor sharp. Right now, the popular Sharpal 6-in-1 knife sharpener is on sale nearly 40 percent off for just $9.
The highly rated survival tool has more than just a knife sharpener—it also contains an all-weather fire starter, tapered diamond rod, and emergency whistle. You'll get all of that for under $10 this weekend, which is a darn good deal.
Between the coarse carbide, fine ceramic, and diamond rod, the Sharpal knife sharpener can quickly and efficiently sharpen almost any kind of blade, from plain edge to serrated. It also works on fishing hooks. It's easy to use and, just as importantly, it weighs just over 2 ounces, so it's easy to toss in your pack without adding almost any weight.