Related Clues:
- Aussie truck leaving Haute-Loire damaged vent
- Cavity in the old house in the Spanish quarter
- Publicise complete-sounding aid to ventilation
- Pet carrier opening
- Opening in a pet carrier
- Safety feature on a hamster ball
- Place to take a peek
- Part of breathing apparatus to display intact, reportedly
- Opening in an animal carrier
- Spain agreed to host entire broadcast for private viewers
- Certain face-covering feature
- Mask's opening
- Half of those in 4 down presumably dig it? In my view, I'd look through it before opening up!
- Opening for viewing
- Halloween mask feature