You film in your car before work. You know the idea is good. Then the camera turns on and the first line will not come, so the idea goes back in the Notes app with the other forty. Dump the mess here.
your brain dump . messy is fine
three hooks, in your voice . pick one and film
a taste, made in your browser . the real MIRA learns your actual voice from every dump you give it
Start free. Keep every hook.
Make your MIRA page, dump ideas whenever they hit, and get hooks in the way you actually talk. You can read your audience too, so the next hook comes from who your people really are.