According to the book, the process of manufacture is as follows; dye both sides of a thick paper (Senka-shi or Senka paper) made of kozo with the juice of gardenia, apply astringent persimmon juice once and dry, give a final coat of transparent lacquer for a flecked effect, dry in a drying room for coated lacquer ware and use in a folded form.
製法は、楮（こうぞ）の厚紙（泉貨紙）の表裏を山くちなしの汁で染め、渋を一度引いて乾かし、透明な梨子地漆で上塗りして、風呂に入れて漆を枯らし、折本のように畳んで用いるとある。