 The provision of accessible, acceptable and opportunistic services which are responsive to the needs of this population is valuable, facilitating a reduced reliance on inappropriate and cost-ineffective emergency department care.The Zendo Project conducted by the Multidisciplinary Association for Psychedelic Studies uses principles from psychedelic therapy to provide safe places and emotional support for people having difficult experiences on psychedelic drugs at select festivals such as Burning Man, Boom Festival, and Lightning in a Bottle without medical or law enforcement intervention.Drugs such as MDMA (commonly sold by the slang names "ecstasy" and "molly") are often adulterated.