糸巻太刀 Ito-maki Tachi
What is Ito-maki Tachi in Japanese Katana terminology?
A decorative long sword where the handle (Tsuka) and scabbard (Saya) are wrapped in the same thread in a crisscross pattern, or wrapped in a leather cord. During the Edo period, it was used as a high-ranking sword decoration for samurai ceremonies. It is also called ""Buke Tachi Koshirae"" because it is a symbol of samurai power, and there are many items that have been received from the imperial family and the shogunate.