### Double Unders Pass Technique
**Technique Overview:**
The Double Unders Pass is a fundamental guard passing technique, frequently used to transition from the open guard or butterfly guard to a more dominant position like side control. The name "Double Unders" comes from the double underhooks grip that is crucial for executing the pass effectively.
**Positions Used From:**
- **Open Guard**
- **Butterfly Guard**
**Step-by-Step Instructions:**
1. **Posture and Base:**
- Begin in your opponent's open guard or butterfly guard, maintaining a solid posture.
- Keep your elbows tucked in and hands aligned to avoid traps and submissions.
2. **Establish Double Underhooks:**
- Use both your arms to swim under your opponent's legs.
- Secure the underhooks by clasping your hands together behind your opponent’s lower back or glutes.
- Keep your head centered to maintain balance, your chin tucked for protection.
3. **Flatten the Opponent:**
- Pull your opponent’s hips off the mat while keeping their knees close to their chest.
- At the same time, drive forward with your shoulder pressing into their abdomen to flatten them against the mat.
4. **Grip Adjustment and Base:**
- Release your hand grip momentarily to grab around the opponent’s lower back or pants to ensure control.
- Your other hand stabilizes against the mat. This is vital as it helps prevent counter attacks like sweeps.
5. **Walk Forward and Pin the Hips:**
- Begin rotating around to one side while walking your knees up.
- Ensure to pin their hips down with your pressure, maintaining control.
- Use your shoulder to continually create pressure on their stomach.
6. **Finalizing the Pass:**
- As your opponent’s legs begin to give, pass one leg around their hip.
- Transition into side control by fully moving past the opponent's guard.
- Control their head and far arm to establish a strong top position.
**Key Points:**
- Always maintain tight grip control to prevent leg re-establishments.
- Keep constant pressure to create discomfort and force compliance.
- Utilize your body weight and core strength while moving, rather than relying predominantly on your arms.
**Common Mistakes: **
- Allowing space between your torso and their legs, which enables escape chances.
- Losing balance by not controlling their hips effectively.
### Conclusion
The Double Unders is a high-pressure passing technique that requires practice to fine-tune its nuances. With proper execution, it can be a reliable means of advancing your position and securing dominant control.