This article, Lightning Release: Lightning Beast Tracking Fang, contains content taken directly from our mother site. All credit of such content is reserved the original authors over at Narutopedia, the original article can be read here: "Lightning Release: Lightning Beast Tracking Fang".
By manipulating lightning chakra into their hand, the user can make the lightning expand to create the form of a hound. The hound remains connected to the user's hand, allowing them to control it during its attack