abstract:A is an 8-10 inch long, single or double bladed daggerA Glossary of the Construction, Decoration and Use of Arms and Armor: In All Countries and in All Times, Author George Cameron Stone, Publisher Courier Dover Publications, 1999, ISBN 0-486-40726-8, ISBN 978-0-486-40726-5 P.405 without ornamental fittings housed in a plain mount, formerly carried by men and women of the samurai class in Japan.