From Audacity Development Manual
Scrubbing Toolbar starts, stops or switches to Scrub play or Seek play, and hides or displays the Scrub Ruler.
- See Scrubbing and Seeking for details on the use of scrubbing and seeking.
Scrubbing Toolbar has the following buttons:
- Scrub play button: Clicking this button will start, stop or switch to Scrub play
- Seek play button: Clicking this button will start, stop or switch to Seek play
- Scrub Ruler button: Clicking this button displays or hides the Scrub Ruler