How to make “Kokuso”Material for Kintsugi : How to make “Kokuso”For big chipped area or lost piecesMaterials: mugi-urushi + sawdustQuantity: 1 : 2 (ratio)Drying time : 1-2 monthsMix mugi-urushi with sawdust until it becomes sticky and thick.Kokuso is made of lacquer, flour and sawdust. Kokuso has been used to sculpt statues of Buddha since long time.