Related Clues:

• Some involuntary movements
• Minor faults
• Muscular contractions
• Material for Ripley's
• Quirky jerks
• 'Nervous' reactions
• Genetic attributes
• Rapid blinks, perhaps
• Red hair, freckles, etc
• Muscle jerks
• Cary Grant's chin dimple et al
• Quirks of behavior
• Some quirks
• Tourette syndrome symptoms
• Minor flaws