Possible Clues:

• Part of horse's harness that goes on its head
• The headgear of the girl getting married, reportedly
• Newly-wed's left in control
• Piece of headgear worn by a horse
• Take offense
• Bristle when newlywed embraces first love
• Part of a horse's headgear
• Around fifty she gets in matrimony and in harness
• Restraint on horse
• Part of harness that goes on horse's head