Related Clues:

• They aren't major players
• Lettuce sandwiches good for teeth
• Gear elements
• Parts of the machinery on the margins of computer bugs
• Gear sprockets
• Essentials of an industrial revolution?
• Machine gear parts
• Clockwork parts
• They have perfect sets of teeth
• Workers in a capitalist system, metaphorically
• Lowly workers from the banks in Colorado Springs
• Things in the works
• They have small roles
• Ratchets
• Teeth that turn