When dark Indian ink with article makes ... color of thinned Indian Ink among with dull pure sumi, pro-, color development is good and can use blue with bitterness to painting and calligraphic works slightly. Particularly, it is recommended to black-and-white drawing, haiku.
It is one article of complete handicraft by Master of Traditional Crafts.
Materials: Bluish black
This industrial art object can purchase even Japan Traditional Crafts Aoyama Square.