Related Clues:
- Minor player in Umberto Eco ghost story
- Backpack burden
- Top __, cancelled BBC motoring show
- Toothed part of a bicycle
- Company takes on good employee who'll play small part
- Gear with teeth
- Caterpillar wheel part
- Minor but essential part
- Hiker's stuff
- Stuff in a gym bag
- Gear piece
- It's shifted on a ten-speed
- Drive or reverse, in a car
- Stickshift selection
- A worm gear lacks it