Related Clues:

• Fix one on small cog
• Attach atom, more or less, for a bit of a lark, say
• Thought leader going to practise arms control?
• Views unlimited gear
• Small badge, one on tie
• Hold onto and bind Thai reports
• Bird's wing
• Immobilise
• Fastener, one on tie
• Drivetrain gear
• Secure one working cogwheel