Related Clues:

• Outsides of sandwiches?
• Mountain road curves
• Test track features
• ''Sissy,'' mostly
• Tire tracks, often
• Pothooks
• Curved trajectories
• They aren't beelines
• Skiers may negotiate them
• Ball trajectories
• Viaduct features
• A lot of assessments?
• Diver's worry
• Half of scissors?
• Circle makers