The scroll stops in the first frame or never. Build it from three stacked layers, top to bottom.
1. Pattern break — one element that doesn't belong (wrong color, off-center text, a number where you expect a word).
2. Open loop — a question the frame raises but doesn't answer (the reason to keep watching).
3. Stakes tag — why this matters to them, in four words or less.
Input: your thumbnail or frame one. Output: all three present, none competing for the same pixel.
QA pass: show frame one to someone for 0.5 seconds, then ask what they remember. If it's nothing, the stack failed.
Run it weekly on your worst-retention post.
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The First-Frame Hook Stack
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