RNC with One arm + how to win the hand fighting battle
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Power Squeeze Finish·Ramsey Dewey
How to do a rear naked choke with one arm, and how to shut down your opponent’s pesky attempts to stop you
Translation: power squeeze finish
Range & classification
Category
Strike & defenceLocksClose rangeFighting multiple people
Distance
CloseMiddleLong
Body target
Upper bodyMiddle bodyLower body
Overview
The Power Squeeze Finish is a one-arm rear naked choke variation that uses maximum muscular contraction of the choking arm — a brute-force finishing method where the attacker generates as much squeezing force as possible with the single arm around the neck, relying on raw compression rather than the leverage of the standard two-arm RNC. [1],[2]
Power SqueezeBrute Force RNC Finish
History & Origin
Effectiveness
Lineage
Developed within the BJJ/grappling submission system. [1]
Competition Record
Used in BJJ, MMA, and submission grappling competition. [1]
Images
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Biomechanical Mechanism
Primary Action — Applying this specific choking or cranking configuration to the opponent's neck or spine
Joints Involved — Neck (cervical spine — the target of all chokes/cranks in this family), arms (the choking limb creates the compression surface), shoulders (positioning determines the choking angle)
Force Vector — Bilateral compression (chokes compress from two sides) or rotational/extension (cranks apply torsion or hyperextension)
Submission Mechanic — The specific grip, arm positioning, and body alignment create the unique compression geometry of this variation
Position & Entry
From back control — Establish back control, then transition to this specific choke/crank variation
From front headlock — Secure the front headlock, then apply this specific choke configuration
From the parent position — Enter through the position described in the parent genus/species
Variants
This is a specific variation — see parent genus/species for alternative variations
Videos
1 video
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Ratings
Risk of injury to the person this technique is applied to
8
Very High8/10
Chokes and neck cranks carry significant risk; blood chokes cause unconsciousness in 6-10 seconds; neck cranks can cause cervical spine damage; always tap early
Skill level needed to execute this technique reliably
Intermediate
Whether this technique is allowed under major competition rule sets
Illegal
— FIAS Sport Sambo — All chokes prohibited in Sport Sambo
FIAS International Sambo Competition RulesPDFLegal
— IBJJF — Legal at all belt levels, gi and no-gi — chokes a...
IBJJF Rules Book v6.0, June 2024PDF— ADCC — Legal
ADCC Rules Update, April 2025PDF— Unified MMA — Legal — choke submissions are among the mos...
Unified Rules of MMA, August 2025PDF— FIAS Combat Sambo — Legal
FIAS Combat Sambo RulesPDFTraining Notes
✓Apply slowly in training — chokes and cranks can cause injury if applied explosively
✓Tap early when caught — blood chokes cause unconsciousness rapidly; neck cranks can damage the cervical spine
✓Drill the specific grip and positioning until automatic
✓Chain with alternative choke variations when this one is defended
Common Mistakes
!Applying too fast — gradual application is safer and often more effective
!Wrong grip positioning — the specific grip variation defines this technique; incorrect grip = different technique
!Not controlling posture before applying
!Holding after the tap — release immediately
Related Techniques
Counter Techniques
Setup Chain
1Establish Control Position
2Secure the Specific Grip
3Position the Choking Surface
4Apply Compression
5Finish
Sources & References
Primary Source
Jiu-Jitsu University (Saulo Ribeiro, 2008)
1BookJiu-Jitsu University (Ribeiro, 2008)
Description sources — [1] Choking/cranking technique curriculum [2] Competition analysis
2BookMastering Jujitsu (Gracie & Danaher, 2003)
3OtherJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
4CitationJiu-Jitsu University (Ribeiro, 2008)
Description sources — [1] Choking/cranking technique curriculum [2] Competition analysis
5CitationMastering Jujitsu (Gracie & Danaher, 2003)
Community
Athletics
Requires
grip strength, arm positioning precision, back control ability
Key muscles
forearms (squeeze), biceps (compression), shoulders (positioning)
Frequently Asked Questions
Why should I hide one arm when applying a one-arm RNC?
Ramsey Dewey explains that hiding one arm prevents your opponent from grabbing both of your hands at once, forcing them to target only the visible arm first and leaving your second arm in position to finish.
How do I escape my opponent's grip if they grab my top hand during an RNC?
According to Ramsey Dewey, if your opponent grabs your top hand, you can strip it away, and your hidden bottom hand remains in place to continue the choke. You can then flip your bottom hand up with thumb down to peel their fingers off.
How does the Power Squeeze Finish work?
The Power Squeeze Finish is a one-arm rear naked choke variation that uses maximum muscular contraction of the choking arm — a brute-force finishing method where the attacker generates as much squeezing force as possible with the single arm around the neck, relying on raw compression rather than the leverage of the standard two-arm RNC.
Where does the Power Squeeze Finish come from?
This variation developed within the broader choking/cranking system of its parent technique family.
Is the Power Squeeze Finish legal in competition?
IBJJF: legal — Legal at all belt levels, gi and no-gi — chokes are the safest submission cat…; IJF: legal — Legal (shime-waza) — strangulation techniques are one of three permitted subm…; ADCC: legal — Legal; Unified MMA: legal — Legal — choke submissions are among the most common finishes in MMA; FIAS Sport Sambo: banned — All chokes prohibited in Sport Sambo; FIAS Combat Sambo: legal — Legal
How dangerous is the Power Squeeze Finish?
Danger rating 8/10. High — chokes and neck cranks carry significant risk; blood chokes cause unconsciousness in 6-10 seconds; neck cranks can cause cervical spine damage; always tap early
How do I set up the Power Squeeze Finish?
The standard setup chain: Establish Control Position → Secure the Specific Grip → Position the Choking Surface → Apply Compression → Finish.
How do I defend against the Power Squeeze Finish?
Standard counters include: Hand fighting — stripping the grip before the choke is set / Chin tuck — protecting the throat / Posture — creating distance to prevent the choke / Turning — turning to face the attacker.
What are the variants of the Power Squeeze Finish?
Common variants: This is a specific variation (see parent genus/species for alternative variations).
How effective is the Power Squeeze Finish in competition?
Used in BJJ, MMA, and submission grappling competition.
What are common mistakes when doing the Power Squeeze Finish?
Top errors to watch for: Applying too fast — gradual application is safer and often more effective / Wrong grip positioning — the specific grip variation defines this technique; incorrect grip = different technique / Not controlling posture before applying / Holding after the tap — release immediately.
What are other names for the Power Squeeze Finish?
The Power Squeeze Finish is also known as Pawā Sukuīzu Finisshu, Power Squeeze, Brute Force RNC Finish.