>>1643738Gatco, Lansky, Wicked Edge, all have a similar sharpening system that have rod guides to keep a consistent angle, of the three the Gatco is the cheapest both in price and quality, but it'll get the job done. Using diamond "stones" on guides will get you a more consistent, fast and cleaner edge.
Freehanding on stones, is a good skill to have in any case, as far as type and brand again, I'd go with diamond plates, DMT has what you need, big sharpening stones or small double-sided folding files to take into the woods with you, they've got it. Biggest plus to the diamond stones/files is that you can use them wet or dry and with water or oil, they clean up easy and don't require soaking.
Also, don't let people tell you you *have* to have Xquantity of stones and work through all those grits, if all you need is a working edge, you can go right to honing and stropping after you've hit the apex.
https://www.youtube.com/watch?v=rriWCCfYHscVs.
https://www.youtube.com/watch?v=4MyIsYqyBzYand finally as a bit of sanity.
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www.youtube.com/watch?v=gLEdjBP3gLsDMT is good. My .02
