Iron Sand

is the most feared weapon in the history of Sunagakure,Naruto chapter 268, page 9 which was developed by the Third Kazekage.
== Overview ==
After studying the sand manipulation abilities of Shukaku's jinchūriki, the Third Kazekage was able to imitate this ability using iron powder instead of sand, and his special magnetic powers. He often moulded the iron powder into weapons and used them as part of his main fighting style.
When used in sufficient quantities, this iron sand can be equipped in various ways in order to create useful techniques ranging from large structures to bullet-like particles and multiple striking branches. Sasori took full advantage of this through the use of his puppet of the Third Kazekage. 
The iron sand can also clot up the joints of puppets, making them unusable in battleNaruto chapter 268, page 6 as long as the user's magnetic field is in effect, even bypassing a Chakra Shield.
Shinki is able to control and change the shape of the iron sand through an electromagnetic field.Boruto episode 61
Being a clone of Shinki, Ryū is able to control iron sand, but instead creates his own through his Claw Mark created clothing,Boruto: Two Blue Vortex chapter 15, page 17 which is a combination of iron from his blood mixed with his chakra.
== Utilised Techniques ==
* Black Secret Technique: Black Iron
* Black Iron Fist
* Desert: Hand
* Desert Suspension
* Desert Wave
* Iron Sand Clone
* Iron Sand Drizzle
* Iron Sand Gathering Assault
* Iron Sand Marking
* Iron Sand Wall
* Iron Sand Wave
* Iron Sand Weaponry
* Iron Sand World Method
* Iron Sand: Black Iron Wings
* Magnet Release: Lightning God Self
* Sand Binding Coffin
* Sand Restraining Technique
* Sand Waterfall Funeral
* Successive Shots Iron Sand Drizzle
* Third Eye
== Trivia ==
* When Sasori made the Kazekage into a puppet, he drenched the sand in poison, making it more lethal in battle.
* Magnetite, the main component of Iron Sand, is about 2 times denser than silica, which is the main component of sand, while gold is about 3.7 times denser than magnetite.
== References ==
es:Arena de Hierro
fr:Limaille de Fer
it:Sabbia Ferrifera
pl:Żelazny Piasek
pt-br:Areia de Ferro