Let us know in the comments if you learn of any more freebies, deals, or discounts! Free Special K Protein Meal Bars – Hit the Freeosk at your local Sam’s Club for a free sample of Special K Protein Meal Bars. Free Rice Krispies Treats at Walmart – Download the app and scan it at the Freeosk at a participating Walmart store for a free Rice Krispies Treats. Or you can text FREEME