Board Thread:Theories and Speculation/@comment-25571342-20150809141259/@comment-25122992-20150809141803

Hm, although in The Last it wasn't really explained, but personally I made a conclusion Naruto can manifest a part of his Tailed Beast outside after two of the Kurama halves were united in him. It's similar to something Juubito had demonstrated in the FSWW.