Related Clues:

• Spy tools, for short
• Simple teeth, perhaps
• Video shooters, for short
• Rocker arm movers
• Some rotating parts
• Teeth on a wheel
• Rotating pieces
• Teeth that aren't flossed
• Lowly workers, figuratively
• Pic takers
• Bit players
• Parts of the machine, maybe
• PC video gear, for short
• Oblong mechanical pieces
• "Overhead" engine parts