Possible Clues:

• One coming over
• Who's this caller? Perhaps it's Ivor
• Guest - tourist
• He calls it 'getting in a flap'
• One from the away team gets it in the eye guard
• Is it five or only one that's staying?
• Guest finds item hidden in mask
• Popper in part of helmet secures it
• One coming to call
• Tourist, wanting protection from the sun, getting it installed