small drawback does not accept all knives, knives santocu type is perfect even if it is in good steel. for others such as Laguiole can not be affurés the entire length, it is still acceptable for ceramic other brand Kyocera and what not terrible, they are mine daffûtage a wider angle I naffûte not cutting edge, but patience, it should come as is the ceramic is a long time to bring it back to the right angle
