Heel Hook: A White Belt's Biomechanical Guide

1. Assume the 50-50 guard position, ensuring your opponent's heel is trapped between your thighs and your hips are squared to their hips.
2. Grip the opponent's foot with your hands: one hand on the instep (forefoot area), the other on the heel itself, fingers pointing towards the toes.
3. Your right leg (if attacking opponent's right leg) will be the primary driving leg, with your knee pointed towards the ceiling.
4. Your left leg will be the anchoring leg, with your knee pointed towards the opponent's hip, creating a strong base.
5. Drive your hips forward and slightly upward, creating a fulcrum point at your own hip.
6. With your gripping hands, apply a twisting motion: the instep hand pulls the foot towards you, while the heel hand pushes the heel away, creating internal rotation at the knee.
7. Maintain a tight core and keep your hips engaged to generate maximum torque and control.
8. Ensure your opponent's foot is perpendicular to your body; any angling away reduces the effectiveness of the lock.

• Applying pressure before establishing a secure grip: This can lead to the opponent escaping or you losing control, risking a knee-on-belly sweep attempt where your knee can hyperextend.
• Turning your hips away from the opponent: This compromises your base and allows the opponent to escape by bridging or rolling, potentially hyperextending your own knee if you are not careful.
• Grabbing the opponent's shin instead of the foot: This prevents proper isolation of the heel and can lead to a calf slicer if you apply pressure incorrectly, damaging your own shin or the opponent's calf.

1. Solo drill: Practice isolating the opponent's heel with your legs and establishing the correct hand grips without any resistance (10 reps).
2. Partner drill (no resistance): With a willing partner, practice the entire sequence from 50-50 guard, focusing on hip movement and grip placement (10 reps per side).
3. Light resistance drill (25%): Partner offers minimal resistance, allowing you to practice the hip drive and twisting motion (5 reps per side).
4. Controlled resistance drill (50%): Partner actively tries to defend, but not with full power, focusing on your ability to maintain control and finish the lock (5 reps per side).
5. Technical sparring (75%): Spar with a partner where heel hooks are allowed but with a focus on safety and tapping early. The opponent is actively defending (3 rounds).
6. Live rolling (90-100%): Full sparring with heel hooks allowed, but with an emphasis on understanding when to apply and when to defend, and always prioritizing safety and tapping.

• WHEN TO ATTEMPT:
• When your opponent is on their hands and knees and you have secured a leg entanglement like the 50-50 guard.
• When your opponent attempts a guard pass and you manage to trap one of their legs.
• When you achieve a strong back control and the opponent tries to turn into you, exposing a leg.
• PRIMARY COUNTERS:
• The "Straight Blast": If you are caught, immediately drive your hips into the opponent's hips and attempt to turn your body away from the direction of the lock, creating slack and relieving pressure. Simultaneously, use your free leg to push against the opponent's hip or shoulder to create space.
• The "Escape by Bridging": While less effective once the lock is tight, an early bridge with an upward and backward motion can sometimes disrupt the opponent's base and create an opportunity to roll out or relieve pressure. This is more of a reactive escape.
• The "Counter Sweep/Roll": If the opponent is not fully committed or their base is weak, attempt a quick sweep or a roll in the opposite direction of the heel hook. This requires excellent timing and awareness of the opponent's weight distribution.

Watch step-by-step breakdowns from black belt instructors: