Apple Final Cut Pro 7 - Manual (Page 611)

7 Stop playback by pressing the Space bar.
Once you’ve set your split edit points, you can perform an overwrite edit or drag the clip
directly into the Timeline.
You can also set split edit points in the Timeline using the same keyboard shortcuts.
Modifying and Clearing Split Edits
If you’ve set up a split edit, but you want to adjust or remove any of the edit points, you
have a number of options.
To move the In and the Out point of a split edit at the same time
µ
Drag either the video or audio In or Out point to a new position.
By default, the video or audio edit points move together.
To move either an audio or video split edit point individually
µ
Option-drag just the split edit point you want to move.
That edit point moves independently of the others.
As you drag, a small box
displays the timecode
number you are moving
the edit point to.
To move all split edit points at once
Do one of the following:
µ
Shift-drag any of the edit points.
µ
Select the Slip tool in the Tool palette, then drag any of the edit points.
Slip tool
611 Chapter 41 Split Edits