Related Clues:

• Hit 'back'
• Go back a step, in word processing
• Put back the way things were
• Reverse an action
• Remove a ribbon
• Reverse, as an action
• Pull some strings?
• Word-processor command
• Free of knots
• Untether
• Open, as 63 Across
• Change back
• Prepare to take off?
• Release the buttons of
• Cancel, on a PC