'You don't step into the ring with Ali because you think you can box.
The Clan is the original unit of social organization for the people of The Known World. Humanti society is becoming more diverse. The Guild or professional organization is taking the fore in the Known World. Except on the Sea.
A culture has a tradition of wearing animal pelts as a sign of status or job. Carpenters might wear beaver skins, Masons have a moleskin hood to their cloak, Gaurdsmen might have badger pelts. Done to show the culture's respect for nature and how much of nature is equal to each other.