Related Clues:

• Visual pair
• The sun, moon and stars
• 'Mine -- have seen ...'
• The Guess Who's ''These ___''
• Venus and Mars, e.g.
• Circular items
• '___ Wide Shut'
• Symbols of royal power
• Colons in emoticons, often
• Spotters?
• Poetic spheres
• Argus’ 100
• Blinkers, at times
• Watches suspiciously
• They can be crossed