Possible Clues:

• Something burdensome
• Neck brace for oxen
• Cross-piece attaching two animals
• Couple for a brace
• That's a right sort of thing to sound so yellow
• Burdensome restraint or oppression
• An oppressive and burdensome restraint
• Bond of servitude
• Part of garment could be yellow, we hear
• Sanction accepted by the old couple