ScreenFlow FAQ | How Do I — Clip Front of Presentation
| Clip Front of Presentation Move the Scrubber to the start of the presentation and select “Set In Point” from the Edit Menu. Move the Scrubber to the point you wish to clip (say 2 seconds into the presentation). Select “Set Out Point” from the Edit Menu. The front of your presentation will be selected. Hold down the shift key and select “Cut” from the Edit Menu. The fronts of all clips will be clipped and then shifted to the left. If you don’t hold down the shift-key, the clips will be clipped, but will not be shifted.