to ward off the Black Death. Filter mask, a piece of safety equipment. Full-face diving mask as part of self-contained breathing apparatus for divers and others; some let the wearer talk to others through a built-in communication device Respirator (gas or particulate mask), a mask worn on the face to protect the body from airborne pollutants and toxic materials, and fine particulate matter or infectious particles. Oxygen mask worn by high-altitude pilots, or used in medicine to deliver oxygen, anesthetic, or other gases to patients Welding mask to protect the welder's face and eyes from the brightness and sparks created during welding Sports American football helmet face mask Balaclava, also known as a "ski mask", to protect the face against cold air. Baseball catcher's mask. Diving mask, an item of diving equipment that allows scuba divers, free-divers, and snorkelers to see clearly underwater. Fencing mask. Goaltender mask, a mask worn by an ice or field hockey goaltender to protect the head and face from injury. Hurling helmets were made mandatory in 2010, and have a wire mask on the front to protect the player's face. Kendo, a mask called Men is used in this Japanese sword-fighting martial art. Paintball mask. Visor (ice hockey). An interesting example of a sports mask that confounds the protective function is the wrestling mask, a mask most widely used in the Mexican/Latin lucha libre style of wrestling. In modern lucha libre, masks are colourfully designed to evoke the images of animals, gods, ancient heroes, and other archetypes. The mask is considered "sacred" to some degree, placing its role closer to the ritual and performance function. Punitive Masks are sometimes used to punish the wearer either by signalling their humiliation or causing direct suffering: Particularly uncomfortable types, such as an iron mask, for example the Scold's bridle, are fit as devices for humiliation, corporal punishment or torture. Masks were used to alienate and silence prisoners in Australian jails in the late 19th century. They were made of white cloth and covered the face, leaving only the eyes visible. Use of masks is also common in BDSM practices. Fashion Decorative masks may be worn as part of a costume outside of ritual or ceremonial functions. This is often described as a masque, and relates closely to carnival styles. For example, attendants of a costume party will sometimes wear masks as part of their costumes. Several artists in