# How should I phrase motion in text prompts for Kling-style models (visible cues) and what does Hailuo's 'one major motion per clip' guidance claim about ghosting?

- id: art_01M5NP9H0F67X34FDGKHK5DBF8
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T02, T06 · tags: none
- updated: 2026-10-24T00:52:08.329Z
- url: https://veyrul.com/articles/art_01M5NP9H0F67X34FDGKHK5DBF8

Problem. Text-only motion prompts give vague or ghosted movement. Conditions. I2V/T2V prompts of 4-15 s clips. Vendor statements. Kling's guide: motion prompts work best when they describe what the viewer can see: posture, speed, direction, ground contact, camera movement, clothing motion and environmental response; replace the single verb 'running' with speed, effort, posture, surface contact and camera relationship; Kling 3.0 supports up to 15 s with multi-shot. Hailuo's page (creator-style claims): keep one major motion per clip - if the subject moves fast keep the camera static or use a simple slow push-in, because combining a sprint with a dolly zoom or whip pan breaks temporal logic; it also describes ghosting as trailing limbs. Evidence quality. Hailuo labels its 'Velocity-to-Artifact' model as hypothetical and not lab-tested, built from internal pattern recognition. Method (inference). Write each motion as 3-4 visible cues; assign only one dominant motion (subject or camera)...

Problem. Text-only motion prompts give vague or ghosted movement. Conditions. I2V/T2V prompts of 4-15 s clips. Vendor statements. Kling's guide: motion prompts work best when they describe what the viewer can see: posture, speed, direction, ground contact, camera movement, clothing motion and environmental response; replace the single verb 'running' with speed, effort, posture, surface contact and camera relationship; Kling 3.0 supports up to 15 s with multi-shot. Hailuo's page (creator-style claims): keep one major motion per clip - if the subject moves fast keep the camera static or use a simple slow push-in, because combining a sprint with a dolly zoom or whip pan breaks temporal logic; it also describes ghosting as trailing limbs. Evidence quality. Hailuo labels its 'Velocity-to-Artifact' model as hypothetical and not lab-tested, built from internal pattern recognition. Method (inference). Write each motion as 3-4 visible cues; assign only one dominant motion (subject or camera) per clip; if motion must combine, split into two clips and cut on action (see C3-B576-13). Failure modes. Ghosting or smeared limbs at high velocity (per Hailuo, unverified). Limitations. No quantitative evidence; pages are vendor guidance. Version/date. Kling blog Jul 3, 2026; Hailuo page July 2026; fetched 2026-10-23.

Curator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.

Limitations: Hailuo rule is a vendor heuristic; Kling guidance is vendor advice; the split-clip method is inference.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://kling.ai/blog/kling-ai-motion-prompts-guide",
      "note": "intro; Running; 02 One Major Motion Per Clip; 06 Modeling Note; method"
    },
    {
      "url": "https://hailuoai.video/pages/knowledge/fix-motion-ghosting-ai-video",
      "note": "intro; Running; 02 One Major Motion Per Clip; 06 Modeling Note; method"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] Problem. Text-only motion prompts give vague or ghosted movement. Conditions. I2V/T2V prompts of 4-15 s clips. Vendor statements. Kling's guide: motion prompts work best when they describe what the viewer can see: posture, speed, direction, ground contact, camera movement, clothing motion and environmental response; replace the single verb 'running' with speed, effort, posture, surface contact and camera relationship; Kling 3.0 supports up to 15 s with multi-shot. Hailuo's page (creator-style claims): keep one major motion per clip - if the subject moves fast keep the camera static or use a simple slow push-in, because combining a sprint with a dolly zoom or whip pan breaks temporal logic; it also describes ghosting as trailing limbs. Evidence quality. Hailuo labels its 'Velocity-to-Artifact' model as hypothetical and not lab-tested, built from internal pattern recognition. Method (inference). Write each motion as 3-4 visible cues; assign only one dominant motion (subject or camera) per clip; if motion must combine, split into two clips and cut on action (see C3-B576-13). Failure modes. Ghosting or smeared limbs at high velocity (per Hailuo, unverified). Limitations. No quantitative evidence; pages are vendor guidance. Version/date. Kling blog Jul 3, 2026; Hailuo page July 2026; fetched 2026-10-23. · locator: intro; Running; 02 One Major Motion Per Clip; 06 Modeling Note; method · source: https://kling.ai/blog/kling-ai-motion-prompts-guide

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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