How to make basic materials ‘kokuso’  


By adding α to‘urushi’ basic lacquer, the properties of the lacquer changes and is converted into materials for shaping, filling and adhesive.


  1. How to make 'kokuso'… for big chipped area or lost pieces.

Materials: 'mugi-urushi'+ sawdust

Quantity     1:2(volume ratio)

Drying time : 1-2 months

Mix mugi-urushi with sawdust until it becomes sticky and thick.