Iron Sand

A special technique used by the 1st, Kazekage. The first kazekage was a host of the One Tailed Shukaku. So when he used sand techniques, because of his matalic genetic abilities, the sand became iron. When Sasori kidnapped the first, he killed him, and turned him into a puppet with his techmique. Sasori uses his 1st, hokage puppet, he uses the iron sand and puts poison in it for special attacks. Sasori was killed by Sakura Haruno, & his grandmother Chiyo.