Related Clues:

• Some are sliding
• Morrison's group
• Saloon swingers
• ''Let's Make a Deal'' choices
• Trumpets and tubas
• Beepers
• Entryways
• Elevator entryways
• Drivers may hit them on purpose
• Opportunities, in metaphor
• Jim Morrison's group, with 'the'
• Entranceways
• They may be revolving
• Some swingers?
• They may be screened