Related Clues:
- Concealed microphone
- Mob turncoat's wear
- Undercover agent's mike
- ''Barbed'' fence topper
- Wind up like a snake
- Wire winding
- Python shape
- Down to the ___
- It's hidden while undercover
- Wine bar ignores ban on the electric amp
- Corkscrew's shape
- Bedspring shape
- Metallic strand
- Something an electrician handles
- Get around?