Possible Clues:

• Kind of embroidery work
• A yarn told without sympathy
• Tough-sounding yarn?
• This does not sound as if it's kind of fancy work
• Yarn Liberal associated with major railway junction
• Yarn causing distress to listeners
• Read aloud savage yarn
• Not kind of sound so to have a yarn with the worsted
• By the sound of it, not a kind of a yarn
• Not the kind of sound of a yarn