Retention Hook Generator (20 Hooks + Thumbnail Angles)

Generate high-retention opening hooks and matching thumbnail concepts for a YouTube video.Input: video topic, audience, channel vibe (educational/entertainment/drama/testimonial), video length, whatever the video's main payoff/goal is.Deliverables:1. 20 hooks in 5 categories (4 each): question hooks, contrarian/tease hooks, story hooks, stat-scare hooks, promise hooks. Each under 30 words and fit to the topic; label which hook style works best for the audience.2. Retention-microstructure for the first 60 seconds: the exact opening line, then the 3 subsequent lines that re-promise the payoff and preview section structure.3. 8 thumbnail concept combos: each with the visual (subject + object), text overlay (max 4 words), and color/contrast note. Two combos for curiosity-gap, two for direct-payoff, two for face+emotion, two for list/clip style.4. A/B test plan: which hook+thumbnail pair to test first, what metric (AVD in first 30s vs CTR), and swap timing.Keep hooks honest to the video's real content - no bait that disappoints.