What role do the 5 mother-of-pearl buttons on the polo shirt's front placket play in actual wear?

The front placket with buttons below the neckline catches the eye first. While standard polo shirts typically use two or three standardized buttons, the black polo shirt from HATCHINGROOM features five buttons, each with a different design^[1].

The material for all the buttons is mother-of-pearl^[2]. Mother-of-pearl buttons, made by processing sea shells, are natural trims whose surface patterns and subtle luster change depending on the angle of light. Instead of uniform plastic buttons, 5 mother-of-pearl buttons of different designs are arranged along the front placket^[3]. Rather than being merely fasteners, they serve as decorative details where each catches the eye along the front placket whether the buttons are fastened or unfastened.