* Basket: This is the most general term and can refer to any kind of basket.
* Pannier: This term is often used for a pair of baskets, one on each side of the donkey's back.
* Saddlebag: This term is typically used for a pair of bags that are attached to a saddle, but they can also be used on a donkey.
So, the most accurate name for a basket put on a donkey depends on the specific type of basket and how it is attached.