Related Clues:

• 'Olly olly ___ free'
• Pullers of plows
• Yaks, e.g
• Nativity scene animals
• Ones with a lot of pull?
• Eight-legged team
• Bullocks
• Kin of 1-Down
• Steers by intercepting one mobile
• A yoke of _____
• Pullers of heavy loads
• Bulky bovids
• Yoked bovines
• Wagon-pulling team
• Yoke-wearing pair