Related Clues:
- It might help you let off some steam
- Dean eats 5 from part of shell
- It helps with inflation as controlling device when issuing note
- Device regulating flow
- Device to regulate flow
- Device controlling flow
- Device for controlling the flow of a fluid in a pipe
- Heart flow controller
- Tuba part
- Fluid regulator
- (Flow) controller
- Flow-controlling device
- Controlling device
- Part of brass instrument used in medieval Venice
- Part of TV to let off steam?