SAFETY: Triangle Choke Side from Side Control targets the Carotid arteries and jugular veins. Risk: Carotid artery compression causing unconsciousness. Release immediately upon tap.
The Triangle Choke Side (also called Side Triangle or Kata Gatame Triangle) is an advanced variation of the traditional triangle choke executed from top positions, most commonly from side control or north-south transitions. Unlike the standard triangle from guard where the defender is between the attacker’s legs, the side triangle traps one of the opponent’s arms across their own neck while the attacker’s legs create the choking mechanism from a perpendicular angle.
This submission represents a sophisticated understanding of triangle mechanics, as it requires precise leg positioning and body angle adjustments that differ significantly from the bottom triangle. The side triangle often emerges opportunistically when opponents defend traditional side control attacks by creating frames or attempting to turn into the attacker. The choke’s effectiveness comes from the ability to isolate one arm while using it as a wedge against the opponent’s own carotid artery.
The side triangle is particularly valuable in no-gi grappling and MMA contexts where traditional collar chokes are unavailable, and it serves as an excellent counter to common defensive reactions from bottom positions. Mastery of this technique demonstrates advanced technical knowledge and the ability to recognize and capitalize on dynamic positional transitions.
From Position: Side Control (Top)
Key Attacking Principles
What are the key principles for executing Triangle Choke Side from Side Control?
- Angle perpendicular to opponent’s body - side triangle requires 90-degree body positioning relative to opponent’s torso, not the parallel alignment of traditional triangles
- Trap one arm across opponent’s neck - the isolated arm must cross their own centerline to create the choking wedge against their carotid artery
- Figure-four leg configuration - same locking mechanism as traditional triangle with one leg across the back of neck and the other locked behind the knee
- Hip pressure toward opponent’s head - driving hips toward their head tightens the triangle and prevents them from posturing or creating space
- Control the free arm - the opponent’s non-trapped arm must be controlled or pinned to prevent defensive hand-fighting and escape attempts
- Adjust angle dynamically - as opponent defends, continually adjust your body angle to maintain perpendicular pressure and prevent them from turning into or away from the choke
- Squeeze knees together, not just legs - the finishing pressure comes from bringing knees toward each other while maintaining the lock, creating circumferential compression
Prerequisites
What do you need before attempting Triangle Choke Side from Side Control?
- Dominant top position with opponent on their back or side (side control, north-south, or transitional scramble position)
- One of opponent’s arms isolated and positioned across their own neck or centerline (often from defensive framing attempts)
- Sufficient mobility to swing legs into triangle configuration without losing positional control
- Opponent’s head and neck accessible for leg entrapment - not buried or protected by their own shoulder or your body
- Base and balance to transition from static top control to dynamic leg attack without being swept or reversed
- Opponent’s defensive posture creating the opening - commonly when they turn into you or create frames that extend their arm across their body
Execution Steps
How do you execute Triangle Choke Side from Side Control step by step?
- Isolate and trap opponent’s near arm: From side control or north-south position, use your upper body control to guide opponent’s near-side arm across their own neck and centerline. This is often accomplished by pressuring their far shoulder, causing them to frame with their near arm, or by directly controlling their wrist and threading it across. The arm must cross past their centerline to create the choking angle. (Timing: 1-2 seconds - requires reading opponent’s defensive reactions)
- Secure trapped arm position with chest pressure: Once the arm is isolated across their neck, use your chest or shoulder pressure to pin it in place temporarily while you transition your legs. Your upper body should maintain enough pressure to prevent them from pulling the arm back, but not so much that you cannot move your hips freely. This is a critical transition moment where balance is essential. (Timing: 1 second)
- Swing near leg over opponent’s head and neck: From your side control or north-south position, swing your near-side leg (the leg closest to opponent’s head) over their head and across the back of their neck. Your shin should make contact with the back of their neck while your knee is positioned near their far shoulder. This requires lifting your hips and potentially using your hands on the mat for base during the transition. (Timing: 1-2 seconds - dynamic movement requiring coordination)
- Lock triangle configuration with figure-four: Bring your far leg (the leg farther from opponent’s head) up and position your foot behind the knee of your near leg, creating the figure-four lock. Your ankle should hook securely behind your knee, and your locked legs should form a triangle shape with opponent’s head and trapped arm inside the triangle. Ensure the trapped arm is still positioned across their neck before fully locking. (Timing: 1-2 seconds)
- Adjust body angle perpendicular to opponent: Once locked, adjust your torso position so that you are perpendicular (90 degrees) to your opponent’s body. Your hips should be high and positioned toward their head, not parallel to their torso. This perpendicular angle is critical for proper compression. You may need to post on your hands or use your free arm to adjust your position. Your head should be near their hips or far side. (Timing: 1-2 seconds - positional refinement)
- Control opponent’s free arm: Use your hands to control or pin the opponent’s free arm (the arm not trapped in the triangle). Common controls include grabbing their wrist and pulling it away from their neck, pinning it to the mat, or hugging it to your body. Preventing them from inserting their free hand into the triangle is essential for maintaining the choke’s integrity and preventing escapes. (Timing: Ongoing - concurrent with finishing pressure)
- Finish with knee squeeze and hip pressure toward head: Apply finishing pressure by squeezing your knees together (bringing them toward each other) while simultaneously driving your hips toward opponent’s head. This creates circumferential compression on their neck and uses their own trapped arm as a wedge against their carotid artery. Apply pressure SLOWLY over 3-5 seconds in training. Watch for tap signals continuously throughout the finishing sequence. (Timing: 3-7 seconds in training - SLOW progressive pressure)
Possible Outcomes
| Result | Position | Probability |
|---|---|---|
| Success | game-over | 60% |
| Failure | Side Control | 25% |
| Counter | Half Guard | 15% |
Opponent Defenses
How might your opponent defend against Triangle Choke Side from Side Control?
- Pulling trapped arm back across centerline (Effectiveness: High) - Your Response: Immediately increase chest pressure on their shoulder and use your hand to control their wrist, preventing the arm from escaping. If they succeed in extracting the arm, transition to alternative attacks like kimura or armbar rather than forcing a compromised triangle. → Leads to Side Control
- Inserting free hand into triangle to create space (Effectiveness: High) - Your Response: Control the free arm before they can insert it - grab their wrist and extend it away from their body, or pin it to the mat. If the hand is already inserted, you may need to break your lock temporarily, reposition, and re-secure the triangle with better arm control. → Leads to Side Control
- Turning into you to relieve neck pressure (Effectiveness: Medium) - Your Response: Adjust your angle dynamically - as they turn, you must turn with them to maintain perpendicular positioning. Use your locked legs to follow their movement and maintain back-of-neck pressure. Sometimes their turn actually improves your angle if you move with them correctly. → Leads to Side Control
- Posturing up or bridging to create distance (Effectiveness: Medium) - Your Response: Drive your hips aggressively toward their head to prevent posture, and use your free hand to push their far hip down or control their far shoulder. Your perpendicular angle and high hip position should naturally prevent effective bridging, but you must maintain active pressure. → Leads to Side Control
- Rolling through or over to escape the triangle and recover guard (Effectiveness: Low) - Your Response: Maintain your locked position and follow their roll - often their attempt to roll actually tightens the triangle. Be prepared to adjust your grip and angle mid-roll, and ensure you don’t post on your head or neck during the rolling motion to avoid injury to yourself. → Leads to Half Guard