Canni is a character from Breath of the Wild
Canni is one of the workers found at Outskirt Stable. She can be found day and night, taking care of the horses at the stable. She is able to change Link's horse's gear, including the Saddle and Bridle. She also can customizes the mane of Link's horse. In order to do so, Link will need to have already registered the horse and be with the horse when talking to her. However, it is necessary to have to a have max bond with the horse before Canni will customize any of the horses features.