Skip to product information
1 of 3

DIY Japanese Joinery

Kongosha Whetstone Powder

Regular price $9.00 CAD
Regular price Sale price $9.00 CAD
Sale Sold out
Shipping calculated at checkout.

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