A dangerous margarita mix-up! Three customers at a Chili's in North Carolina suffered chemical burns after they took a sip of their drinks. Officials say employees mistakenly used a chemical degreasing product instead of sugar and used it on the rims of the glasses, which led to these customers needing medical attention. ⠀ #chilis #margaritas #chilismargs #chemicalburn #mistake #hospitalized #abc7news