You can also hold down the F key while a clip is playing to mark a favorite range. When the playhead reaches the end of the section you want to mark as favorite, release the F key.
If you don’t like the selection: Choose Mark > Reject (or press the Delete key).
A red line appears at the top of frames you’ve marked as rejected.
You might need to click the pop-up menu to the left of the browser search field and choose All Clips so that all the clips you need to access are visible.
In the browser, select the clips whose ratings you want to remove, and choose Mark > Unrate (or press U).
The green or red line at the top of the clips disappears.