Board Thread:Chapter and Episode Discussions/@comment-4271790-20141029103111/@comment-25595581-20141029124235

If Kishi insinuated it through Sasuke then stop doubting it. Kakashi could use Sasuke's Rinnegan no doubt. Also I have a feeling their other half of their arms are burnt up and laying somewhere, Sakura finds them and puts their arms back together then heals them, although she might accidentally put the wrong arm on each person.