Interesting subject , maybe we can get a consensus of how and whys of sharpening.
I use a tri-stone and a light oil. I sharpen my knives when I'm really irritated at Trish
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Using my thumbs as angle guides(about 1/2 the width of the thumb and keeping the thumb in contact with the Stone , I get a real decent steady 25° on the edge.
Starting with the Heel of the blade , I try to "cut" layers off the stone. 25 strokes on one side then 25 strokes on the other ; I do this for 4 repetitions on each side of the knife and each of the Stones , for a hunderd strokes each.It's a habit I got into at work (I would take them home for homework points).
It is a great stress remover. Concentrating on the pressure you put on the blade and holding your angle correctly would keep me zoned in and all other worries went away for a while...
Just sayin', have fun and...