April 2, 2013 No Comments FREE Organic Milkshake at EVOS on 4/22 Join them on Earth Day, April 22, and enjoy a FREE Organic Milkshake at your local EVOS. Locations. FREE Organic Milkshake at EVOS on 4/22 – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.