Sentence examples for this custom is from inspiring English sources

(This custom is now being followed by many directors).

This custom is called dating and is not as difficult as you might imagine.

This custom is especially important in politically charged cases, and even more significant in the period before Election Day.

There are a lot of mores in golf, and this custom is not appropriate in every setting.

This custom is of ancient origin e.g., the votive offerings dedicated to the healing god Asclepius in the museum of Epidaurus GreeceEpidaurus Greece

Traditionally it was followed by a nap the famous siesta but, because most people now commute between home and work, this custom is in decline.

That this custom was widely observed is evident from the large number of stupas found near monasteries.

This custom was occasionally taken over by the Lombard rulers of Italy and, later, by the Norman kings of Sicily.

After the devastating death of his first wife, Gabriel, from cancer at the age of 46, this custom was revived during his second marriage, to Anne.

So then, this custom was indeed in existence.

I believe that this custom was taught to Britain by the Roman Celts.