Umakaki Trimming Tool - M008

This trimming harp tool is used to level flat, wide surfaces such as the bottom of a shallow dish or plate. It is best for removing large amounts of clay. To sharpen them, simply use a wet sandstone, apply medium to light pressure as you're drawing the edge across the stone.  Apply a little pressure or a bit more, depending on how sharp you want the tool to be. A very dull edge will require more pressure. Do not use high speed motor driven grinder to sharpen these tools.

 

Photo and materials from :
Inside Japanese Ceramics by Richard L. Wilson 1995
The World of Japanese Ceramics by Herbert H. Sanders
The Japanese Pottery Handbook by Penny Simpson
Shoji Hamada, A Potter's Way and Work by Susan Peterson
The Art of Bernard Leach by Carol Hogben

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