Related Clues:
- Big conduits
- They may be accessed via manholes
- Head shop pipes
- Major sewer lines
- Sounds of big bells
- Large conduits
- Isle's receiving investment, primarily in electricity supply perhaps
- Important pipes
- Power supply in the hands of the French?
- Pipes at some bars
- Long water carriers
- Smoke shop purchases
- Pipes at a pot shop
- Hookah cousins
- Current source of master's trendy interior