Share this postThe Magnet 21: Subscriber supplementthemagnet.substack.comCopy linkFacebookEmailNoteOtherThe Magnet 21: Subscriber supplementAural illusions, hallucinogenic fish, how to clean grout, and moreJan 12, 2021∙ Paid3Share this postThe Magnet 21: Subscriber supplementthemagnet.substack.comCopy linkFacebookEmailNoteOther2ShareSix aural illusionsThis post is for paid subscribersSubscribeAlready a paid subscriber? Sign in