[メモ] コーヒーカップの底で包丁を研ぐ

コーヒーカップの底や皿の裏のがさがさした部分を利用して
包丁を研ぐことができるそうです。

Sharpen Your Kitchen Knife On A Coffee Mug

Trevor Luscombe
February 28, 2010 at 11:18 AM

I was talking to a chef one day and he mentioned that you can sharpen knifes of the back of a plate, I thought he was joking, so he showed me. Yes, it definitely works! You can use any ceramic serving-ware you happen to have. Plates and bowls work great」