Every day, bartenders are faced with the difficult challenge of determining whether some of their patrons are older than the legal drinking age.

In one of WatchCut's latest videos, a group of bartenders are tasked with determining whether a pool of people are either above or below the drinking age. The variety of experts include ones with weeks, years, and even decades of experience working behind the bar.

What's scary is that the majority of their guesses were incorrect, though they do point out some pretty clever tells to help them determine age. Of course, all these educated guesses are done without the help of identification cards.

Check out the video above and see if you can guess who's older or younger than the legal drinking age.