General Double
Takeout Double, Negative Double, Responsive Double, Equal Level Conversion Double
Common Double
- Takeout Double to 4♥
- Negative Double to 3♦
- Responsive Double(Rebel) to 2♥
蓋叫且支持後
- 蓋叫者在三線上賭倍敵方巧叫為至多一張 Honor (A, K or Q)
- 支持者在三線上賭倍敵方的巧叫為至少一張 Honor (A, K or Q)