sentences:  The company has also relied heavily on product tie-ins with the NFL, NCAA and NASCAR to promote the product across different demographic groups.Even though the product been a prominent part of the menu for the better part of a decade, Burger King has released very few limited-time (LTO) variants of the product – its first one being released in the summer of 2015.Despite being a major product line in the company's portfolio, Burger King has registered very few, if any, global trademarks to protect its investment in the product.