Within the 16th century, the practice of likely home to house in disguise (a practice referred to as guising) to ask for foodstuff started and was normally accompanied by recitation of standard verses (a practice referred to as mumming). Donning costumes, An additional custom, has many attainable explanations, for example https://youtube.com/shorts/XxJicTFshOk?si=MWe_21sO5t57InfB