Human Bullet Tank

Human Bullet Tank is a jutsu passed down in the Akimichi clan. After the user uses Multi-Size Technique to make themselves into a human-sized ball, they tuck their limbs inside their clothes and use chakra to propel themselves into a powerful, but slow, roll.
 * Human Bullet Tank(human boulder)
 * Type: C-rank, Offensive, Short to mid-range (0-10m)
 * Users: Akimichi clan
 * Debut (Anime): Naruto Episode 33
 * Debut (Manga): Naruto Episode 55