- Name: Ink Flush Technique (Sumi Furasshu)
- Type: Unknown rank, Supplementary, Short to mid-range (0-10m)
- User: Sai
- Debut (Anime): Shippūden Episode 104
By pouring some of his special ink into the ground, Sai can summon several ink snakes to strike from underground and restrain his opponents. Should the opponent prove strong enough to break the binds, the snakes can reform around the target, making struggling pointless.