|Anime||Naruto Shippūden Episode #184|
|Appears in||Anime only|
It is a shield-like prototype weapon that was created by Iō. It contains a built-in firing mechanism for ninja tools such as manriki-gusari, bombs and senbon. If it runs out of tools, the wielder can reload it by inserting a scroll containing more tools into a compartment on the back.
- Crane and tortoise is an artistic motif, used as a symbol for longevity: "Cranes live for a thousand years, turtles live for ten thousand years" (鶴は千年亀は万年, Tsuruha sen'nen kameha man'nen).