now, you really got me confused ......

Looking at the Lansky instruction sheet, I found a schematic, showing "their definition" of sharpening angle : that's the angle between the sharpening stone and the blade.
If I use the 17? slot on the Lansky tool (the finest, there is no 15? position), I will "sharpen" the side of the blade, not the cutting edge (I hope you understand.....sorry... my vocabulary is not adequate...)
if I use the 30? slot, then it looks like the stone is really sharpening the cutting edge

?????????????????? <img src="/images/graemlins/confused.gif" alt="" /> <img src="/images/graemlins/confused.gif" alt="" /> <img src="/images/graemlins/confused.gif" alt="" /> ??????????????????