Real Shark Skin Wasabi Grater, 67 x 110mm : Amazon.co.uk: Home & Kitchen
Japanese Grater with Bamboo Handle for Fresh Wasabi - Pacific Wild Pick
Real wasabi is grated with light pressure in a circular motion on an oroshigane grater. The grating surface is made of dried shark skin Stock Photo - Alamy
Wasabi grater 4.7in made of Shark skin and Natural wood made in Japan | eBay