Introduction to the Can Opener

The can opener is presented as one of the most effective submissions in Brazilian jiu-jitsu, despite being banned in many competitions. The technique is noted for its reliability and the strong reactions it typically produces from training partners.

Why the Can Opener Was Prohibited

The can opener addresses a gap in top guard control that most submissions cannot exploit. Its prohibition in competition stems directly from its effectiveness as a neck-based submission.

Basic Setup and Head Control

The technique requires only head control from the top guard position. The instructor demonstrates three distinct mechanical variations for executing the submission.

Three Execution Variations

The first variation involves rolling the opponent's head into the crank. The second uses a lifting motion combined with squeezing pressure, while the third applies a rotational crank component that the instructor prefers for its effectiveness.

Handling Flexible Opponents

Some practitioners with exceptional spinal flexibility may not respond to standard can opener pressure. For these cases, adding rotational torque to the cervical spine increases submission efficacy.

Hip Control and Position Security

Controlling the opponent's hips with the knees prevents them from scooping out or escaping the submission. Maintaining tight knee pressure on the hips ensures the crank remains effective even if the opponent attempts to push the head away.

Safety Considerations and Tapping

Cervical spine manipulations require slow, deliberate execution with clear communication between partners. The instructor emphasizes that partners must tap immediately when feeling pressure, as neck injuries do not heal quickly and can have long-term consequences.

Competitive Context and Curriculum Placement

The can opener should be part of any serious jiu-jitsu curriculum, particularly for blue belts and above. The technique is legal at advanced levels and remains one of the few reliable submissions available from top guard position, making it valuable for both sport and self-defense applications.

Can Opener - Neck Crank from Top Guard

Peter Mettler Martial Arts

Cervical Flexion Crank

2 min read·8 key moments

Key Takeaways

•Introduction to the Can Opener
•Why the Can Opener Was Prohibited
•Basic Setup and Head Control
•Three Execution Variations

Related Techniques

Cervical Extension Crank Cervical Rotation Crank Do Jime

Frequently Asked Questions

What does this video teach about cervical flexion crank?

This video covers introduction to the can opener, why the can opener was prohibited, basic setup and head control. It provides detailed instruction from Peter Mettler Martial Arts.

How long does it take to learn cervical flexion crank?

The basic mechanics can be understood in a single session, but developing reliable execution requires consistent drilling over weeks of practice. This 8-part breakdown helps structure your training by isolating each phase of the technique.