1º_ Relative to the mouth, but it is much more associated with the muzzle. Bozo drift ("outer part of the mouth, nose"). 2º_ By the previous one, name of several devices that are placed in the muzzle of animals such as the dog or the horse to prevent them from attacking biting, that they feed on sown, that the offspring suckle from their mother, . . . 3º_ By the previous one, and taking into account that a muzzle is used especially in untrained or domesticated animals, it is a metonymy for the wild horse, and for the rebellious, foolish person, without education or teaching, which is not expressed correctly. 4º_ By the previous one, it was said of the slave just out of Africa, who only spoke his native language. [Note: Muzzle is not synonymous with mask or mask, it was used as well as a mockery, invented by deniers during the covid-19 pandemic, towards those who covered their mouths and nose when they were in close proximity to other people to reduce contagion; especially in cities where they were forced by health authorities. It's obviously a comparison to animals and livestock. ]