Spyderco’s previously reviewed Sharpmaker is my edge maintenance tool of choice, but there’s no room for it in my grab-and-go bag. I searched around and found a number of pen-sized, high-quality knife sharpeners that wouldn’t take up much room, such as those by EZE-LAP. But I wanted something smaller and, well, cheaper, since it was more of an emergency tool than one meant for regular use.
I found this little (2 1/4 x 1 3/4 in.) Gerber sharpener that fits perfectly in my knife sheath’s sidecar pocket and cost me just a few bucks. It’s easy to use, with one side marked “coarse,” the other “fine,” and a little thumb-forefinger hold in between. It’s actually been effective sharpening the folding knife I keep by my desk, and its lightweight, small profile and low cost make it perfect for leaving in a bag, just in case.