Apple Final Cut Express HD - Manual (Page 392)

392 Part VI Rough Editing
 Razor Blade: Adds an edit point to a sequence clip by cutting a single clip item, along
with any clip items linked to it in the Timeline, into two pieces. This edit point is
added at the frame of the clip item in the Timeline that you click.
This can be useful for quickly rearranging pieces of your sequence, for deleting a
section of a clip, for applying an effect to a specific part of a clip, or for moving a
piece of a clip to the same location on another track
Before
The Razor Blade tool lets
you cut a clip item into
two pieces.
After