It is correct that the edge profile needs to be re-profiled from the factory grind. They very a lot.
This may help to understand that clamping in the middle doen’t necessarily give you what you want.
A little learning curve in using this sharpener. But worth it.
http://www.wickededgeusa.com/index.php?option=com_content&view=article&id=91:finding-the-sweet-spot-positioning-your-knife-from-front-to-back&catid=38:instructions&Itemid=81
CAW
