As the Onin War dragged the whole Kyoto into the war, Japanese Court culture became disordered, and they lost the technique of umonra (ra woven in a pattern), which was used for Court caps for the nobilities whose ranks were the Fifth Rank or higher.
京都全体を戦乱に巻き込んだ応仁の乱の影響で、日本の宮廷文化は混乱するが、このとき位階以上の貴族の冠に用いる有文羅（うもんら/模様を織り出した羅）の技法が散逸。