Sharpening by Whetstones
Grind stone should absorb enough water until air bubble will not come out.
Please hold knife well with hold down it by thumb to keep knife fast condition.
Please re-sharpen knife from top blade with blade looks towards you. Please keep around 60°angle between grind stone and top blade.
After re-sharpen several times, please check whether blade has back or not by finger touch. If there is a back on blade, you can finish the work.
After top blade, please re-sharpen middle of blade. Please check the back by finger touch after several times working same as before process.
Finally, please re-sharpen barb area.
On this area, no need to re-sharpen to acute angle. Please re-sharpen to obtuse angle.
Please re-sharpen back side of knife with blade looks towards opposite side. But please not re-sharpen this side so well. You can finish the work just take away the back.
Please re-sharpen back side to take away the back until blade would be felt smoothly by finger touch.
In case of having finish grind stone, please use it finally for adjustment of top blade.
