Related Clues:
- Cap feature
- Cap attachment
- Cold weather protector
- Winter cap feature
- Football helmet feature
- Winter hat feature
- Deerstalker fold-down
- Feature of some knitted hats
- Football helmet opening
- Certain hat feature
- Opening in a helmet
- Canal zone entrance?
- The entire cavity, by the sound of it
- Lug to get the sound of it
- Back from Scottish circuit with protective gear