According to Harrison's autobiography, I, Me, Mine, the rattling heard at the end of the song was the result of a bottle of Blue Nun wine sitting on the Leslie speaker.
It dispensed advice, such as what to take your hostess at country house weekends: "Under no circumstances take a poinsettia, which is the plant equivalent of a bottle of Blue Nun."
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Her sermons influenced Poor Clares like Jerónima de la Asunción (foundress of the first Catholic monastery in the Philippines), Luisa de la Ascensión de Carrión (mystical poet) and Maria de Jesús de Ágreda (the Blue Nun of the Jumanos).