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DIY Japanese Joinery

Kongosha Whetstone Powder

Regular price $6.00 USD
Regular price Sale price $6.00 USD
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Used together with a flattening metal plate to flatten the back of the blade

  1. Sprinkle some kongosha powder on a flattening metal plate
  2. Turn the powder into a paste by adding a small amount of water or saliva
  3. Move your blade back and forth on the paste while applying pressure to the blade tip