Related Clues:

• Bulky bovids
• Yoked bovines
• Wagon-pulling team
• Gluttons for taking price tags without crate
• Yoke-wearing pair
• Plodding haulers
• Fare in 'blankets'
• Pen pals
• Team in a field
• Heavy haulers
• Some beasts of burden
• Powerful team
• Yak and yak?
• "When ___ fly!"
• Domesticated bovines