Mishna Shabbat 5

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1. With what may an animal go about on Shabbat? What restrictions apply? The camel? A bridle. The naqa? A nose-ring. The luv’daqis? A halter. The horse? A leader . Any animal so equipped may be led about and the lead may be both sprinkled and immersed in place.
2. A donkey may go out with a saddle blanket if it is fastened before Shabbat. Neuter males by securing them, though females may be covered or free to have the tail in any position . She-goats may have the udders bound . Rebbe Yosé prohibits all but covering the ewe; R Yehuda? He permits binding the udders to save milk from leakage but not to prevent milking.
3. The question now becomes: What are the prohibitions for an animal parading about on Shabbat? A camel? A cloth may not be draped over the tail. The foreleg may not be tied to the hind leg, nor the hoof be tied to the thigh , and so for any beast of burden. Camels may not be tied together and led . The animals may be led but one must do so with each rein individually held in the hand and the reins may not be twisted round each other
4. A donkey may not go about unless the saddle pad has been affixed before Shabbat. And so for a bell , even if the clapper is stuffed; a yoke; or a leg harness. Fowl may not go about with their cords or with their legs banded . Fat tailed rams must not go about with a cart beneath the bustle, nor ewes with hananut , nor cattle with a yoke. Nor may a cow go about with the skin of a hedgehog or a strip tied about the horns: such was the practice of Rebbe Elezar, and against the wishes of the Sages.