What does it mean to open a crown?

Guan Ji: Adult ceremony held by men and women at the age of 20.

Face opening: also known as face opening, face twisting, face twisting, face selection, eyebrow raising, etc. Wedding etiquette. It is a ritual to unscrew the hair from the bride's face, trim her forehead and sideburns, trim her eyebrows and make up. A woman only meets once in her life as a sign of marriage.