Free: Contests & Raffles.
This is all I use,https://www.amazon.com/Diamond-Machine-Technology-DMT-F70C/dp/B00004WFT6/ref=sr_1_5?keywords=dmt%2Bdiamond%2Bsharpening%2Bstone%2Bcompact&qid=1574305852&sr=8-5&th=1I’ve used most types of knives over the years and now primarily use a Victorinox 3-1/2” paring for everything from varmints to elk to bear. I never understood the need for a heavy spined knife for anything except splitting wood I occasionally use my Havalon or other fixed blades, just because I have them primarily.