this is a very versitile technique that combines the properties of Anatomy andHaganekifu. using anatomy user is able to manipulate the speed of their bones'
growth as well as the location of calcium deposits. This allows them to create weapons of bones that can either protrude from any part of the body, or pulled out and used like hand held weapons. then by combining it with Haganekifu the become covered in metallic substance secreted by the body. Any bone that user removes from their body immediately regenerates, as does the skin that is damaged when the bones are removed. Not only does the metal make the created weapons very powerful, but also makes users body virtually indestructible.