- Name: Piercing Fang (通牙, Tsūga; English TV "Tunneling Fang")
- Type: D-rank, Offensive, Short to mid-range (0-10m)
- Users: Inuzuka Kiba, Akamaru
- Debut (Anime): Naruto Episode 44
- Debut (Manga): Chapter 75
The user spins at a ferocious speed and delivers many powerful beast-like attacks when contact is made with the target. This attack is done alone but it can be done with a partner, making it more effective.