Start with the moments that tell the story
Bring source clips and the ranges that should play faster or slower. 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
Change speed only where requested and preserve important actions or spoken thoughts.
Try a 20-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 20-second 9:16 video from my source clips and the ranges that should play faster or slower. Change speed only where requested and preserve important actions or spoken thoughts. Use my supplied wording for titles. Review the transitions into and out of speed changes and check the audio.
Make the next version more specific
Review the transitions into and out of speed changes and check the audio.
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.