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When I got mine a few years back, there was instructions as to how to beat the cloth component into submission.""canvas-strop

The company name is Kanoyama, but it is stamped Kanayama. They made...

I had one with markings like that from a trade and it was from before the Master was said to have stopped making them; about 7 years back or older.
No further info.
Enjoy a great tool!
~Richard