Related Clues:
- Key next to f1, often
- Key that might close a dialog box
- Top-left PC key
- Corner keyboard key
- Get-out key
- Key near space
- PC's panic button
- 'Help!' key
- Key pressed frantically during a crash
- Key on a PC
- Laptop's panic-button
- PC backup key
- Letters above a tilde
- Shift-key neighbor
- Key at the ready when viewing NSFW content, maybe