I normally leave her tail natural and have turned her out in the pasture for the winter. I think she may have stood on it while standing up as a big chunk was torn off.
I read that if you braid them you should redo it regularly and it is supposed to be very cold so I would not be vigilant at redoing it if the weather is bad. Tonight after some freezing rain the buttom part of her tail was a frozen mess. I really am not sure if I should leave it or braid it. Looking to hear from others in cold climates that pasture there long tailed horse