Can Opener - Illegal BJJ Submission Neck Crank from Top Guard advanced Grappling for MMA - CanOpener
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Stack-Through Can Opener·Peter Mettler Martial Arts
Перевод: Can Opener (katakana loanword)
Дистанция и классификация
Категория
Удар и защитаЗамкиБлижний бойБой против нескольких
Дистанция
БлижняяСредняяДальняя
Целевая зона
Верхняя частьСредняя частьНижняя часть
Обзор
The stack-through can opener combines the traditional can opener neck crank with a stacking guard pass, driving the opponent's knees toward their face while cranking the neck in flexion. [1] From closed guard top position, the attacker clasps the hands behind the opponent's head, pulls it forward and upward, then drives the body forward to stack the opponent onto their shoulders. [1],[2] The stacking motion amplifies the cervical flexion by using the attacker's body weight to compress the opponent's spine from both ends simultaneously — the hands pull the head forward while the torso stacks the legs backward. [2] This dual compression makes the stack-through variant significantly more painful and dangerous than the standard can opener. [2],[3]
История и происхождение
The stack-through can opener combination developed in MMA and early BJJ competition where aggressive guard opening methods were common. [1] As guard passing strategy evolved, the stack-through variant became both a guard opener and a neck crank threat that forced the bottom player to release the guard. [2],[3]
Страна происхождения· показано в случайном порядке
- БразилияБразильское джиу-джитсу, Сабмишн-грэпплинг, ММА
- ЯпонияБразильское джиу-джитсу, Дзюдо, Сабмишн-грэпплинг
- СШАСабмишн-грэпплинг, ММА
- РоссияСамбо
Эффективность
Effective guard opener that pressures the cervical spine through stacking and cranking; historically one of the most reliable ways to force open closed guard [1]
Родословная
An ancient grappling technique present in catch wrestling and judo. The can opener was widely used in early MMA and remains a fundamental tool in wrestling-based grappling [1]
Соревновательные результаты
Banned in many IBJJF divisions (illegal neck crank) but legal and commonly used in MMA and some no-gi events. Historically effective at all levels of MMA competition [1]
Изображения
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Биомеханический механизм
Primary Action — Compression of the neck structures — restricts blood flow or airway depending on technique application
Joints Involved — Cervical spine, surrounding musculature, and vascular structures of the neck
Force Vector — Directed compression against the neck from the choking limb or body position
Finishing Mechanic — Sustained pressure causes either vascular occlusion (unconsciousness) or tracheal restriction (breathing difficulty)
Позиция и вход
From back control with seatbelt — Establish hooks or body triangle, slide choking arm under the chin, connect hands and squeeze
From turtle top (back take) — Break down the turtle, insert hooks, secure seatbelt grip, slide to back control and apply the choke
From standing back clinch — Secure rear body lock, drag opponent to the mat while inserting hooks, transition to choking position
Варианты
Standard grip variation — primary hand configuration for maximum choking pressure
Gi variation — uses the lapel or collar as an anchor for additional friction and control
No-gi variation — adapted grip and positioning for submission grappling without the gi
Transition finish — applied during a positional change to catch the opponent off-guard
Видео
1 video
Изучить технику
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Оценки
Риск травмы для человека, к которому применяется техника
8
Очень высокий8/10
Flexion cranks force the chin toward the chest; compresses anterior cervical structures
Уровень мастерства, необходимый для надёжного выполнения техники
Продвинутый
Разрешена ли техника по основным соревновательным правилам
Запрещено
— FIAS Sport Sambo — All chokes prohibited in Sport Sambo
FIAS International Sambo Competition RulesPDFРазрешено
— 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 RulesPDFЗаметки по тренировке
✓The stack-through can opener combines the cervical flexion of the can opener with a stacking pass — the attacker simultaneously cranks the head forward while stacking the opponent's hips over their shoulders (Gracie & Gracie, Brazilian Jiu-Jitsu: Theory and Technique, 2001)
✓From inside closed guard: grip behind the head with both hands, drive the chin to the chest (can opener), then stand and stack the opponent — the stacking adds gravitational compression to the cervical flexion
✓The stack-through doubles the cervical stress: the can opener flexes the neck while the stack adds the opponent's own body weight driving downward onto the cervical spine
✓The combined technique forces the guard to open: the cervical pain from the can opener plus the claustrophobic pressure of the stack overwhelms the guard player's comfort
✓The stack-through can opener is more effective than either technique alone: the can opener without stacking can be endured, and the stack without the can opener can be escaped — together they compound
✓Finishing: as the opponent opens the guard to relieve pressure, immediately pass — the can opener and stack are tools for opening the guard, not standalone submissions (in most rule sets)
✓The technique requires strong legs and base: standing in the guard while maintaining the head grip and then stacking requires significant lower body strength
Типичные ошибки
!Stacking without the head grip — the can opener component requires hands behind the head; stacking alone doesn't create the cervical flexion
!Applying the can opener without standing — the stack requires standing in the guard; the seated can opener lacks the stacking component
!Using excessive cervical force — the stack adds the opponent's body weight to the cervical stress; the can opener doesn't need to be cranked hard when the stack is assisting
!Not passing immediately when the guard opens — the stack-through creates a brief window; pass instantly rather than continuing to stack
!Losing balance while stacking — maintain strong base; the opponent may sweep if you overcommit to the forward stack
!Attempting against a flexible opponent without a passing plan — flexible opponents may absorb the stack; have a specific pass ready for when the guard opens
!Not being aware of armbar threats — stacking in the guard commits both hands to the head; the opponent may transition to an armbar; maintain arm awareness
Связанные техники
Контрприёмы
Цепочка подготовки
1Control Position — maintain dominant position with weight on the opponent
2Isolate the Arm — secure the wrist and thread the arm through for the figure-four
3Lock the Figure-Four — grip own wrist behind the opponent's arm for leverage
4Apply Rotation — rotate the arm to attack the shoulder joint
Источники и ссылки
Основной источник
JBJJF competition rules; Japanese BJJ community
Official Japanese BJJ federation — competition rules and terminology
2ДругоеJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
3ЦитатаJBJJF competition rules; Japanese BJJ community
Japanese terminology sourced from JBJJF competition rules; Japanese BJJ community
Сообщество
Атлетизм
Requires
grip or squeeze strength, positional control
Favours
strong upper body for sustained compression
Key muscles
forearms, biceps, pectorals, core stabilisers
Часто задаваемые вопросы
Why is the can opener technique illegal in BJJ competition?
According to Peter Mettler, the can opener was outlawed in BJJ specifically because it is so effective and dangerous—it targets the neck and is a submission that can be applied from top guard, a position where submissions are otherwise limited.
What's the basic setup for the can opener?
All you need is head control; from there you grab the back of the opponent's head fairly high, lift slightly, and drive your elbow in to apply the crank, as Peter Mettler demonstrates.
How do I prevent my opponent from escaping when I apply the can opener?
Use your knees to control your opponent's hips by pulling them toward your hips and keeping your knees tight; this prevents them from pushing your head off or escaping the crank, even if they try to push against your face with their hands.
Как работает Stack-Through Can Opener?
The stack-through can opener combines the traditional can opener neck crank with a stacking guard pass, driving the opponent's knees toward their face while cranking the neck in flexion. From closed guard top position, the attacker clasps the hands behind the opponent's head, pulls it forward and upward, then drives the body forward to stack the opponent onto their shoulders.
Откуда происходит Stack-Through Can Opener?
The stack-through can opener combination developed in MMA and early BJJ competition where aggressive guard opening methods were common. As guard passing strategy evolved, the stack-through variant became both a guard opener and a neck crank threat that forced the bottom player to release the guard.
Разрешён ли Stack-Through Can Opener на соревнованиях?
IBJJF: разрешён — Legal at all belt levels, gi and no-gi — chokes are the safest submission cat…; IJF: разрешён — Legal (shime-waza) — strangulation techniques are one of three permitted subm…; ADCC: разрешён — Legal; Unified MMA: разрешён — Legal — choke submissions are among the most common finishes in MMA; FIAS Sport Sambo: запрещён — All chokes prohibited in Sport Sambo; FIAS Combat Sambo: разрешён — Legal
Насколько опасен Stack-Through Can Opener?
Оценка опасности 8/10. Flexion cranks force the chin toward the chest; compresses anterior cervical structures
Как подготовить Stack-Through Can Opener?
Стандартная цепочка подготовки: Control Position → Isolate the Arm → Lock the Figure-Four → Apply Rotation.
Как защититься от Stack-Through Can Opener?
Стандартные контрприёмы: Straighten the Arm — extend the arm to break the figure-four grip angle / Roll Toward — roll in the direction of the lock to relieve rotational pressure / Grip the Belt/Shorts — anchor the hand to prevent the arm from being isolated.
Какие есть варианты Stack-Through Can Opener?
Распространённые варианты: Standard grip variation (primary hand configuration for maximum choking pressure); Gi variation (uses the lapel or collar as an anchor for additional fric…); No-gi variation (adapted grip and positioning for submission grappling wit…); Transition finish (applied during a positional change to catch the opponent …).
Насколько эффективен Stack-Through Can Opener на соревнованиях?
Banned in many IBJJF divisions (illegal neck crank) but legal and commonly used in MMA and some no-gi events.
Какие типичные ошибки при выполнении Stack-Through Can Opener?
Основные ошибки, на которые стоит обратить внимание: Stacking without the head grip — the can opener component requires hands behind the head; stacking alone doesn't crea… / Applying the can opener without standing — the stack requires standing in the guard; the seated can opener lacks the … / Using excessive cervical force — the stack adds the opponent's body weight to the cervical stress; the can opener doe… / Not passing immediately when the guard opens — the stack-through creates a brief window; pass instantly rather than c….
Какие ещё названия есть у Stack-Through Can Opener?
Stack-Through Can Opener также известен как Kyan Ōpunā, Stack Can Opener, Pass-Through Can Opener.