Possible Clues:

• Domed headgear
• This ahead for person taking over? Unlikely
• Headgear for Laurel or Hardy
• Headgear once common in the City
• Covering spinner for one that's heading off
• Cricketer initially happy about the headgear
• Albert who rebuilt Derby?
• Headgear
• Kentucky derby?
• Wife opening a brothel around Derby