The upper part sucks in column, lower part four angles, and it is a-shaped wooden nail.
High technology and time are necessary for processing and use it for a high-quality box mainly.
A square is the wooden nail which I breathe it and machined in form generally.
Because there is the effect that a nail head is seen like a decoration when it processed it painting with lacquer, I use it for the cabinets of the hanging scroll.
Black persimmon and deerskin...
I use it for a part to open and close.
Because it is the part which is easy to be worn, I assume a hard black persimmon materials and use soft deerskin between.