Related Clues:
- Patella protectors
- Bit of gridiron equipment
- Athlete's protective gear
- 'Friday the 13th' prop
- Pollution filter of a sort
- Skateboarder's wear
- Hockey goalie's protection
- Volleyball protective gear
- Part of a goalie's gear
- Bit of in-line skating gear
- European Parliament heads brought in massage joint protection
- Attempt to counter 10s of 22 across on front cover
- Polo player's wear
- Protection for the front of the head
- Joint guard to maintain around nitrogen trailer