She snaps her fingers at the lens and on the snap the shot changes to the product on the table.

Snap or clap

A gesture by the speaker triggers the change, so the cut feels caused.

Use when: Face cam into B-roll.

Prompt instructions

Scene: [your subject] in [your setting]. Shot 1 (0:00 to 0:05): one continuous shot. Cut: she snaps her fingers at the lens and on the snap the shot changes to the product on the table

Seedance 2.5 reads labelled blocks with timecodes.

SubjectSetting

Watch out

Use one marker per kind of change and keep it for the whole video: a snap or clap from face to B-roll, a swipe between B-roll shots, a jump cut from face to face.practitioner: The Director Chair script structure notes
As an opening, the honest version is a gesture that becomes the product shot.practitioner: Director Chair field notes on short-form video (one TikTok account, 233 posts and 27 measured clips, read 30 Oct 2026)

The new shot pushes the old one out in the direction of the movement.

SwipePrompt

Trust from the face, proof from the images.

Face cam plus B-rollPrompt