Possible Clues:

• Channel One working with material?
• Perhaps a needlewoman goes to waste when she's sheepish inside
• Setting for a famous 'Les Misérables' scene
• Part of an underground network
• What a stinker of a seamstress!
• Job title (giving a hint to this puzzle's theme)
• It may hold only water at last, but it all stinks
• Escape site in "Les Misérables"
• Embroiderer; soil pipe
• Needle worker from the gutter