User blog comment:Mrlmm0605/Let's Talk Bleach! Part 15b: Zangetsu/@comment-11446176-20160516093445/@comment-11446176-20160516130221

that he's used getsuga tenshou multiple times with these blades make me think otherwise though.

wild conspiracy theory, puts them together, they form the top and bottom of a giant bow, that shoots getsuga's. =x