To cure mumps the patient was led by an ass-halter three times round a pig-sty. A handbook of Irish folklore G. O'Suilleabhain : 'Pro-Actidil'.

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Credit: To cure mumps the patient was led by an ass-halter three times round a pig-sty. A handbook of Irish folklore G. O'Suilleabhain : 'Pro-Actidil'. Source: Wellcome Collection.