He notes that in the past, because the "head" and "tail" batches of the wine contained harmful components, such as benzyl alcohol or heavy metals, causing headaches in many people, citizens nicknamed rice wine the "little old head muddler."
賴舜堂指出，過去的米酒，由於酒頭與酒尾中含有甲醇、雜醇油、重金屬等有害物質，飲用後容易頭疼，所以民眾給了米酒一個「晃頭仔」的外號。