February 10, 2010 No Comments Free Milkshake at Ruby’s Diner Free Milkshake at Ruby’s Diner Bring your sweetie and enjoy a free shake on us. Valid Friday – Sunday 12-14, 2010 only. Please print and present to server. Free Milkshake at Ruby’s Diner – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.