I suggest you try to find a pocket set of ceramic cross sticks made by Buck. They are about five inches long and come apart to fit in their own stand. If you start with a good edge it only takes minutes for shaving sharp edge. It won't work at all if you don't have a good edge to start with! It cost me maybe $15.00 and it is the only sharpening method I take hunting or fishing now at all. Dressing big game is easy. I work for several minutes, wipe the goo off, take a few lapps and go back to work. I have never found anything better. Good luck!
JTD
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In the legend of King Arthur, the Fisher King was a renowned angler whose errant ways caused him to be struck dumb in the presence of the sacred chalice. I am no great fisherman, and a steelhead is not the covenant of Christ, but with each of these fish I am rendered speechless.