Look for the legs forming a triangle around the opponent’s neck-and-arm line.
Typical position
A controlled groundwork demonstration position. Recognition does not make the technique safe to apply; release and tapping protocols require direct instructor supervision.
Control configuration
Identify whether the configuration uses bare arms, lapels, sleeves, or legs. Do not imitate the neck pressure from an image or video.
Recognition objective
The competitive objective is a submission, but this study page only identifies the configuration. Neck pressure, release timing, and eligibility rules must be taught by an instructor.
Position to recognize
Locate the arm, leg, sleeve, or lapel configuration around the neck-and-arm line. Use body orientation and the controlled limb or clothing grip to distinguish this technique from similar groundwork.
Application boundary
Stop at visual recognition. Application, resistance, tapping, immediate release, age restrictions, and competition legality belong in supervised instruction.
Expected result
The reference outcome is recognition of a submission configuration—not permission or instruction to apply it.
Visual study notes
Each study note uses the same reference image. Use the video and an instructor demonstration to understand movement and timing.
STUDY NOTE 1
Overall shape
Identify the defining body position described in the recognition cue for Sankaku-jime.
Same single reference image
STUDY NOTE 2
Classification clue
Focus on the arm, leg, sleeve, or lapel configuration around the neck-and-arm line.
Same single reference image
STUDY NOTE 3
Name connection
Connect Sankaku-jime with “Triangle choke” and the visible action or control.
Same single reference image
Common beginner mistakes
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Identifying the technique only from the final pose instead of its defining body relationship.
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Confusing it with another technique in Shime-waza · chokes and strangles.
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Trying to reproduce physical mechanics from a single illustration instead of learning them from an instructor.
Coaching tips to discuss in class
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Connect the Japanese name with the English meaning: “Triangle choke.”
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Focus on the arm, leg, sleeve, or lapel configuration around the neck-and-arm line.
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Compare the reference image with the embedded video, then ask an instructor to confirm what distinguishes the technique.
Technique-specific safety
Chokes and strangles can cause unconsciousness or serious injury. Never practice this from an app, never apply it without qualified supervision, and release immediately when instructed or when a partner taps.
See a factual or safety problem?
Prepare an email with the technique name. Nothing is submitted automatically.