Related Clues:
- Clot
- Utter doofus
- Palm Sunday transportation
- Low-emission transport?
- Pack bearer
- Beast that bore Balaam
- Horse's wild cousin
- Subject of many a 59-Down photo
- Onager, e.g.
- One may be kicked for motivation
- Paragon of stubbornness
- Equine animal
- Mule's parent
- Pumpkinhead
- "With the jawbone of an ___ ..." (Judges 15:16)