"living customs" is correct and usable in written English.
For example, you could use it in a sentence such as "The small town is known for its unique and vibrant living customs."
But I don't know of any customs in television, or in — LANE (thinking): Let me see... PREMINGER (gently sarcastic): We don't live by customs.
COURT REPORTER: "We don't live by customs.
[via WSJ] EZ Pass for Customs — Fill out an application, say goodbye to a live custom's agent, and say hello to one less travel hassle.
Local Chinese stream past, scratching their heads at those Americans who come just for money, never learning China's language or customs, living in their own little world.
These three ethnic minorities have significant differences from the Han in language, religious customs, living habits, and other aspects.
The Roma are a minority group with their own language and customs living across Central and Eastern Europe.
Field epidemiologic surveys were launched to attain the patients' clinical and epidemiologic data, including their demographic information, disease onset, medical management, clinical presentations, dwelling environments and exposures, domestic fowl keeping, living habits and customs, past histories, possible sources of infection, transmission routes, and exposure factors.
Who has time to own a landmark?" Two dozen neighbors, most of whom live in custom homes like the one Mr. Baratta wants to build, sided with him, signing a petition against the designation.
Year to date, the most popular stations on iHeartRadio were 102.7 KIIS-FM Los Angeles and Drake (live and custom, respectively).
