Free 2 oz Coffee Sip Samples at Dunn Brothers

https://www.qsrmagazine.com/news/dunn-brothers-coffee-introduces-free-sips/ -“Free Sips will be available to give new customers and longstanding Dunn Brothers Coffee loyalists a free way to savor the unparalleled quality of the brand’s hot, and award-winning cold brew selections. Available at participating locations, customers can enjoy a free 2-ounce sip of any available, currently brewed coffee or Nitro Infinite Black cold brew, simply by requesting a Free Sip at the counter.” -they have locations in IA,MN,MO,SD, TX and WI