Beast Bone Transformation

''' ' is a unique transformation jutsu created by Kokkan Kaguya. This technique uses a combination of his [Shikotsumyaku]] and his skill in medical ninjutsu, this jutsu makes use of his knowledge of animal physiology. To use this jutsu, Kokkan will extend bones at equidistant intervals from his spine,arms,legs and head. He will then extend bones from the protruding bones while chapping it in the process, until an "animalistic" exoskeleton is created around him.