Start with the moments that tell the story
Bring your source clip and the exact setup and punchline text. Pick the takes that make the subject clear, including a strong opening and a complete ending. These choices give Shorty a useful starting point for the edit.
Give Shorty the creative direction
Time the caption to the relevant action and hold the punchline long enough to read.
Try a 30-second 9:16 edit as a starting point. Include the exact title or closing message you want on screen. Add a reference when you want to show the pace, captions or mood.
Try this editing prompt
Create a 30-second 9:16 video from my your source clip and the exact setup and punchline text. Time the caption to the relevant action and hold the punchline long enough to read. Use my supplied wording for titles. Keep text readable and check that the caption refers to the correct moment.
Make the next version more specific
Keep text readable and check that the caption refers to the correct moment.
Play the first cut and pick the change that would help the story most. Name the moment, describe the result you want and tell Shorty what to keep. A note such as “hold the final product shot longer” gives the revision a clear direction.