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How to Do the Knee Cut with Underhook in BJJ

★★☆☆☆ Difficulty 2/5
📍 From: half guard
🎯 To: side control

The knee cut with far underhook combines the knee cutting motion with a strong underhook on the far side. The underhook prevents the bottom player from creating any frames or angles, making the knee cut extremely difficult to defend. It is the highest-percentage version of the knee cut.

Key Details to Master

  1. 1 From half guard or combat base, secure the far underhook
  2. 2 Begin sliding your knee across their thigh
  3. 3 The underhook controls their upper body preventing any frames
  4. 4 Drive through the knee cut while lifting with the underhook
  5. 5 Complete to side control maintaining the underhook

Common Mistakes to Avoid

  • ⚠️ Cutting without first securing the underhook
  • ⚠️ Underhook too shallow to control the upper body
  • ⚠️ Not driving the knee cut while using the underhook
  • ⚠️ Allowing them to frame on the collar bone
  • ⚠️ Losing the underhook during the pass

🔄 Variations

  • With collar grip instead
  • From headquarters
  • Against DLR
  • To mount transition

🛡️ Counters & Defenses

  • Block the underhook with frames
  • Knee shield before the cut
  • Re-pummel the underhook
  • Invert under the knee cut

Track Your Knee Cut with Underhook Progress

Log every time you practice the Knee Cut with Underhook and watch your proficiency grow. MatTime helps you build muscle memory by tracking what you actually drill.

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Frequently Asked Questions

What belt level should I be to learn the Knee Cut with Underhook?

The Knee Cut with Underhook is typically introduced at the blue belt level. However, higher belts continue to refine this technique throughout their BJJ journey. Building a technical foundation. Developing a guard game and understanding of timing.

Does this work in both gi and no-gi?

The Knee Cut with Underhook works in both gi and no-gi, though grip adjustments may be necessary. In no-gi, focus on body control and underhooks instead of gi grips.

How do I set up the Knee Cut with Underhook?

The Knee Cut with Underhook is typically executed from half guard. Key setups include controlling your opponent's posture and creating the right angle. Practice the entry repeatedly before focusing on the finish.