White Castle – Free Slider This post may contain affiliate links. Please see my full disclosure policy for details. October 6, 2009 6 Oct Pin0Share0TweetGoogle+0sharesHead to White Castle and purchase a cheeseburger and you can get a free slider. You can find your coupon and also the location nearest you right here. Like what you read here? If so, subscribe via e-mail or RSS Reader. You can also catch me on Twitter too!