Related Clues:

• Yaks
• Shaggy oxen
• The yoke's on them
• Farm team
• Plow pullers
• They can take a yoke
• Pair with a plow
• Epitome of 41-Across
• Plow animals
• They have pull
• Pre-tractor farmer's need
• Conestoga haulers
• Ties up the phone
• Team mates?
• Goes on