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    Kata-ha-jime

    片羽絞 · かたはじめ · single wing strangle · said kah-TAH HAH JEE-meh

    The Kodokan calls this Kataha-jime (片羽絞).

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    Demonstrations

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    Kata-ha-jime illustration

    About this technique

    The single wing strangle: from behind, one lapel grip closes the neck while the other arm lifts uke's arm and wing-locks it, the hand sliding behind their head. The trapped wing takes away the main defence. Strangles are restricted by age in most federations; learn and practise this only under instruction and supervision.

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    A technique to choke the opponent’s neck region by gripping his left side-collar through his throat with right hand from behind, inserting the left arm through the left armpit to raise the arm upward, pulling the right hand in a right-rear direction and thrusting the left hand under the right arm.
    The Kodokan's definition

    Key points

    1. Begin as the sliding lapel strangle from behind
    2. The free arm lifts their arm high and slides behind their head
    3. The trapped wing removes their defending hand; close gradually

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    grappling techniques

    At a glance

    , classification, Gokyo set, Kodokan number, contest rules, grades that require it
    What it is
    Katame-waza (grappling techniques).
    Kodokan number
    706 (KHJ).
    Contest rules
    No rule singles it out.
    Also written
    Kataha-jime.
    Required for

    Step by step

    These steps describe the standard right-handed form without relying on the video.

    1. From behind your partner, take the deep lapel grip across their neck with your right hand, as in the sliding lapel strangle.
    2. With your left arm, scoop under their left arm and lift it high, folding it upwards like a wing.
    3. Continue the movement: slide your left hand behind their head, palm against the back of it, their lifted arm now trapped over yours.
    4. Chest tight to their back, head close beside theirs.
    5. Close gradually: the lapel hand draws across as the hand behind the head presses gently forward. Release everything at once when they tap, and lower their arm with care.

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    Receiving it

    One lapel closes across your neck and your own arm is lifted away and pinned high; the hand you would defend with is gone, which is the point of the technique. Tap immediately and clearly once the wing is locked and the collar tightens, on their arm or body where they will feel it; holding on risks a blackout. Tell your instructor if you ever feel light-headed afterwards.

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    VI judo notes

    Everything is found from the back position you already hold: the lapel by running your hand along their collar into the neck, the wing by scooping under their arm and lifting it. Keep your head beside theirs so you know at once if they turn. Close gradually, and when they tap release the whole thing together, lowering the lifted arm rather than dropping it.

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    In competition

    , how often it scores at IJF level, and two contests where it worked

    Senior IJF competition, 2020 to 2026, from 73,099 contests. Counts scores, not attempts.

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    In combinations, counters and transitions

    , 2 awaiting review

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    Reference pages elsewhere

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