Picketer's Holding is a term used to describe the act of holding a PLACARD while picketing. It is a form of protest in which people hold signs or banners to express their grievances and demands. This type of protest has been used throughout history to draw attention to various causes, from civil rights to labor rights. The term Picketer's Holding is derived from the word PLACARD, which is a sign or poster used to convey a message.