Related Clues:

• In dire ___
• Difficulties
• Geographical connectors
• Narrow passages
• Narrow grooves
• Pressing situation
• Tiny grooves
• Dover and Gibraltar
• Narrow passage of water
• Narrow waterways
• Juan de Fuca and Magellan
• Fine furrows
• Stretch marks, e.g.
• Narrow furrows
• Minute grooves