Tennis Channel's Mary Carillo dives into one of the most famous aspects of British culture: etiquette. She gets a private lesson from the principal of the British School of Etiquette. 

About Mary In:

One of the premiere sportscasters in the world, Mary Carillo brings her charm and wit to the Tennis Channel feature Mary In. She travels the world covering tennis – and while in these great cities she uncovers hidden gems. Whether diving with sharks in Melbourne or dancing in Paris at the Moulin Rouge, Carillo makes the most of her time in every city, and brings that fun and energy to the screen.