Related Clues:

• Piping
• Hierarchical structure
• Socks and stockings
• Scaling device
• Gardening device
• It may wind up at the side of the house
• Firefighter's aid
• Fire engine accessory
• Sprinkler connection
• Where runs may be made
• Siphoning aid
• It goes to blazes?
• Hardware-store buy
• It may have its kinks
• Fire-truck gear