Morihei Hishiboshi Karasu Whetstone #9000Morihei Hishiboshi 9000 grit whetstone is made by Morihei in Tokyo and is a special formula only by him. Using a mixture of synthetic and natural stone powder this stone leaves a very nice kasumi finish with great contrast. This stone can be used as a splash and go stone and does not require soaking. Ive found the edge to feel refined but still retains nice bite. Cuts very fast and produces slurry quickly without being an overly soft stone. Written by