Related Clues:

• Skin growths
• eg Bristles
• Does have a rider: there are catches
• Fall wearing irregular rose glasses
• Glasses that keep falling off?
• They're taking a trip, but not in schooners
• Awful rash around centre of his whiskers
• Circus performers in glasses
• They're grouped with padlocks on Amazon
• They may be split by quibblers
• Barn-door fasteners
• Padlocks lock them
• For 'Safety Devices', contains additional material
• Crime scene finds, perhaps
• Petty distinctions, metaphorically