Earth Release: Rock Gun Technique

The Earth Release: Rock Gun Technique is a technique used in which rocks are formed within the users mouth and expelled in varying sizes and at high ferocity.

Usage
While typically used in a group, the user would bombard their targets with numerous bullet-sized bits of rock. After they are fired, the bits of rock can instantly expand into massive boulders. Orochimaru stated that when used collaboratively, this technique can easily level an entire mountain.