### Technique: Triangle Armbar
#### Overview
The Triangle Armbar is a submission technique that combines elements of the triangle choke and the armbar, exploiting your opponent's compromised defensive positions. It is a versatile move typically initiated from a variety of guard positions, particularly the **Closed Guard**, **Open Guard**, and **Rubber Guard**.
#### Position: Closed Guard
#### Top or Bottom: Bottom
#### Japanese Name: Sankaku Gatame Juji Gatame (Speculative as the individual techniques are Sankaku Jime and Juji Gatame)
---
### Step-by-Step Instructions
1. **Initiate Triangle Setup:**
- **Control posture:** Start from the closed guard and maintain control over your opponent's posture by securing their head or lapel.
- **Set up triangle:** Open your guard and place your right leg high on your opponent's back while controlling one of their arms, ideally slipping it across your body for weaker defense.
2. **Lock the Triangle Position:**
- **Generate angle:** Pivot your hips and use the grip on the opponent's arm (or collar) to swing your body. This helps in getting a perpendicular angle on your opponent.
- **Lock the legs:** Secure their neck and trapped arm by bringing your left leg over your right leg, forming a triangle. Flex your foot of the top leg down while maintaining tension.
3. **Threaten the Triangle Choke:**
- **Pull down on the head:** Apply pressure by pulling the opponent's head down and pushing your hips upward.
- **Assess their reaction:** If they resist by trying to posture up or defend, this sets the transition to the armbar.
4. **Transition to Armbar:**
- **Underhook the leg:** Reach across and under your opponent's leg with your arm (usually the one on the same side as their trapped arm) to prevent a possible stack, improving control.
- **Switch angles:** Use the underhook to rotate further, swinging your free leg over the face of your opponent, positioning your knee snugly against their neck/head.
5. **Finalizing the Armbar Submission:**
- **Secure arm position:** Clamp down your knees together as much as possible to limit their escape options.
- **Extend the hips:** Gradually extend your hips upward while pulling down on their trapped arm to hyperextend the elbow joint.
6. **Tap Recognition:**
- Be responsive to your opponent's tap and release pressure to prevent injury.
---
### Tips for Effectiveness
- Maintain a tight triangle configuration throughout to prevent escapes.
- Control the posture of your opponent consistently, especially during transitions.
- Practice hip movement to fluently switch between the triangle and armbar.