Board Thread:Rebirth: Applications/@comment-4080775-20141205213456/@comment-4080775-20141206160511

She forms a bone on her palm as the chakra forms around it. While this chakra forms into a sphere, she reduces the bone to bone dust as it mixes in with the Rasenkunai. This gives the Rasenkunai microscopic shrapnel, which can impair movement significantly it enough of it is lodged within the opponents body, specifically the legs, arms, and vital organs.

By infusing her bones with chakra, she is able to enfuse elemenetal chakra into her bones, adding further effects.

As far as using Wind and Fire variants of the Rasenkunai, she uses channels fire and wind release chakra into their respective variant, in a control and balanced rate, as to not cause an explosion. When doing this, she tends to form an elemental core first, then add her chakra around it, making it stable in the process.