Talk:Arata Kirishima/@comment-26544002-20151214002641/@comment-27394367-20151214005855

Well that's what Kakujas essentially are. Armor Kagune that forms around the users body. And Koukakus are probably thanks to their toughness the best base for a full body armor. If Kaneki and Yamori's kakujas evolved further, they would have wrapped their whole bodies too.