It's just ordinary chains to hold you? Does he use it in a combo in Ninja storm or does he just hits you with his hands instead? I remember seeing a final/special where he holds them with chains so that the kyubi blast the opponent but nothing else.Ordinary, but good for ensnaring enemies. He used them as his fighting style, not just a fashion accessory. His Ninja Storm moveset with this is the s h i t
I'd rather him use chakra blades or a Gunbai fan instead.