You can lock clips in place on a track to prevent them from being moved, scaled, cycled, or rippled. This locks its time control
property and turns the clip to a wine color.
To lock clips
Right-click a clip (or multi-select and right-click one of the clips) and choose Toggle Lock.
or
Select or multi-select clips and choose Clip Toggle Lock from the mixer's command bar.
To unlock clips
Right-click a locked clip and choose Toggle Lock again.
Select or multi-select locked clips and choose Clip Toggle Lock again.
Toggle Lock