Fällkniven FS4 Sharpener Review

We sharpen our tools in one of two places, at home or in the field. At home we can use large bench stones and a fancy set up to get exact angles and excellent results on our edges. In the field it is a different story entirely, where even finding a flat surface can prove challenging. The Fällkniven FS4 Flipstone is a field based sharpening tool. Let’s take a closer look.

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