Pothole!

I thoroughly enjoy how Google translates Mamoru’s name for this as “pothole”:

Does anyone know any English names for it?

I have seen it used for shaping stiffeners. Wet the leather, lay it over the hollow, and beat into the concave space.

Shoemakercraft has a nice description for the one he makes himself. It appears in the USMC tools book as a “Moulding block”.

The book of men’s shoe making uses it to curve the outsole around the heel and waist. I purchased the one from Mamoru. I will update Japanese tools post once I get it.

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Thanks so much! I just added to the wiki.

I’d be really interested to see dimensions for a commercial one posted online, if you’re up to it. Length, width and height of block. Diameter and depth of the depression. Seems like something a lot of people could DIY.