Related Clues:

• Dental problem calling for braces
• Inner space
• Epee's cousin
• Cumberland, for one
• Nixon tape mystery
• Chain with threads?
• Feature of Alfred E. Neuman's smile
• Cavalryman's sidearm
• David Letterman feature
• Open space
• Generation separation
• Intermission
• Katana's cousin
• __ year
• Lacuna