manufacture today. Founded by Heizo Tatsumura I in the 19th century, it is renowned for making some of the most luxurious available. Amongst Tatsumura's students studying design was the later-painter Inshō Dōmoto. The technique , traditionally produced in the Nishijin area of Kyoto, is intricately woven and can have a three dimensional effect, costing up to 1 million yen. The "Kimono Institute" was founded by Kazuko Hattori in the 20th century and teaches how to tie an and wear it properly. Women's There are many types of for women, with certain types of worn only with certain types of kimono to certain occasions. Often, the can adjust the formality of the entire kimono outfit, with the same kimono being worn to occasions of differing formality depending on the worn with it. Most women's no longer keep the kimono closed, owing to their stiffness and width, and a number of ties worn under the keep the kimono in place. A woman's formal can be wide and more than long, with the longest variety – the , nearing in length – worn only by in some regions of Japan. Some women's are folded in two width-wise when worn, to a width of about to ; the full width of the is present only in the knot at the back of the kimono, with the band around the middle appearing to be half-width when worn. There are a number of different ways to tie an , and different knots are suited to different occasions and different kimono. The itself often requires the use of stiffeners and cords for definition of shape and decoration, and some knots, such as the , require additional accessories in order to keep their shape. Women's types are very long worn by in some regions of Japan. A 's features the crest of the geisha house she is affiliated with at the end of the , below the (end lines). can be long. are slightly less formal than , despite being functionally the most formal variety of worn today. are made from either a single double-width length of fabric with a seam down one edge, or from two lengths of fabric sewn together down each edge; for made from two lengths of fabric, the fabric used for the backside may be cheaper and appear to be more plain. are made in roughly three subtypes. The most formal and expensive