Related Clues:

• Substitute for the unlocked?
• Hip-hop cover
• Bean topper
• Bald spot concealer
• Unbelievable cover?
• Adapted skullcap, maybe
• Bandanna cousin
• Locks removed at night?
• Rapper topper
• Howard Cosell's topper
• Kerchief worn as headgear
• Bandana relative
• Close-fitting head covering
• Biker's kerchief, say
• Small hairpiece to cover bald patch