The Progress Bar Scratching effect emulates what you would expect to hear if you dragged a turntable needle across a record. The Progress Bar Scratching effect can be applied to each turntable.
How to switch the Progress Bar Scratching effect on for a turntable:
Click on the turntable's button.
Select the Progress Bar Scratching effect option.
To hear the Progress Bar Scratching effect simply click on the progress bar ahead of or behind the current playing position (try holding the mouse button down while dragging too).