Inclusion Criteria:  Greater than 18 years of age Scheduled to undergo partial or full elective nephrectomy Subject is willing and able to provide informed consent Anxiety score ≥ 19 on the PROMIS Emotional Distress-Anxiety-Short Form 8a.  Exclusion Criteria:  Opioid dependence, based on the DSM definition of Opioid Use Disorder (OUD) Chronic pain condition where daily opioid use is needed History of fibromyalgia Anatomical malformation of ear (genetic or trauma-induced) Vasculopathy of ear Raynaud's disease Patient Refusal