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The Hook Swap: Put Your AI Character on a Proven Opening

Take the first 2–3 seconds of a hook format that works, re-perform it with your own AI character, and cut to your app or product demo.

Goal

A cheap app/product promo that pairs a proven hook format with your own character and a real demo.

Difficulty

beginner

Time

Under an hour

Cost

The creator reports about $1 per video

TikTokInstagram Reels

What you’ll make

A short promo where the first 2–3 seconds are a hook re-performed by your own AI character, followed by a screen recording or demo of your app or product.

Steps

  1. Find a hook format in a similar category (another app’s TikTok, for instance) and note what happens in the first 2–3 seconds.
  2. Clip just the hook as a motion reference for your own use. Don’t publish it.
  3. Re-perform it with your character. Use a video model (the source uses Seedance) with your AI character as the reference and the hook’s motion as guidance, so the output is a new performance by your own character.
  4. Attach your demo. In CapCut, cut from the hook straight into your app demo or product in use, then add captions.
  5. Post and compare several hooks against the same demo.

Testing plan

  • Same demo, 5 different hooks. The hook is the variable.
  • Keep the cut to the demo fast (under 3 seconds in).

Mistakes to avoid

  • Republishing someone else’s footage, audio or face. Use the hook as motion reference only, then generate a new performance with your own character, and check the platform’s rules.
  • Letting the hook promise something the demo doesn’t show.
  • Forgetting the AI-generated content label.