Related Clues:

• Trip up
• Fishing-line problem
• Hidden hindrance
• Dot on a radar screen
• Become entangled
• Unforeseen glitch
• Hangup
• Tiny position indicator
• It might produce a run
• Radar light
• Pulled thread
• Glitch or hitch
• Reason to say 'Now what do we do?'
• Minor problem
• It might be on one's radar