Ahh! It's the Giant Armored Octopus! ...Oh, he's named Tako?
This article is about a subject that has not been officially named in any official Katekyo Hitman Reborn! translated material; the current title is merely a placeholder.
The Lightning Tube is one of the Lightning-attribute Box Weapons of the Sistema C.A.I. owned by Hayato Gokudera.
Description[]
It is the Lightning-attribute ammunition for the Flame Arrow and can be mixed with Storm Flames to make Flame Thunder. It differs from the other tubes because it is oval-shaped and it has four appendages.