gius, as I said, the butterflies on the top are a print.
nishijin is taken up as highlights of this season, just like the way yuzen was in the previous season.
but it's not like most of the clothes are nishijin.
only a little part of the collection is nishijin, like the white one as you say.
generally the traditional things such as nishijin, yuzen are something precious and cultural.
if a designer adopts them into the whole collection, the business will not pay. the prices have to be astronomical figures.
of course they should be very appealing to a designer, but it's very challenging to use them.
without the cost issue, if they are done in a truly authentic way, there are many other usual designs overwhelmed easily. however if they are simplified carelessly or are modernized with designer's complacency, they look just cheap immediately, and ruin the whole collection. any designer would have to be cautious.
in the yuzen collection from even yohji, only a part of it was actual yuzen. but I guess that was effective enough.
the serrated nail technique that nishijin is good at is called tsuzure, and if you read the explanation on the site in the link, it dates back to 1580 b.c. in egypt.
so nishijin is not a name for a specific weaving technique. kasuri too is one of the kinds that are typical of nishijin. it's just that you'd see the textile products of elaborate and refined workmanship there that would be difficult to see at other places today. that is why nishijin is famous here, although I don't know well if nishijin has developed some original techniques in their millennium history, anyway they are famous for the sublimation and quality.
their site says india is the birthplace of kasuri, btw.