1. 
   Oroshigane
   Oroshigane (おろし金 or 下ろし金, Literally: grating-metal), also known as oroshiki (下ろし器) are graters used in Japanese cooking. These oroshigane differ significantly from Western-style graters, as they produce a much finer grating. Traditionally, these graters were tin-coated coppe...
   Found op http://en.wikipedia.org/wiki/Oroshigane
   
   
2. 
   OROSHIGANE
   Specially processed steel for making swords
   Found op http://www.samuraisword.com/glossary/index.htm
   
   
3. 
   OROSHIGANE
   Specially processed steel for making swords.
   Found op http://www.shibuiswords.com/glossary.htm
   
   

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