>> you cannot hold a blade in your hands steadily, at sub-mm precision, for more than one stroke That's what the guiding rails are for... So far whetstones wit

>> you cannot hold a blade in your hands steadily, at sub-mm precision, for more than one stroke That's what the guiding rails are for... So far whetstones with guiding rails are the best sharpening method I found. As you can see from my other comment in this sub-thread, I find Spyderco lacking.