Related Clues:

• Subway passages
• Down the ___ (ruined)
• Pipes
• Some pasta
• English subways
• Rigatoni, e.g.
• Toothpaste containers
• Centers of Christmas wrapping paper
• Down the ___
• Radio innards
• Hoses
• Parts of IVs
• Ziti shapes
• Lipstick dispensers
• Toothpaste holders