Warning: This article contains very strong language that may offend some readers.

After a frustrating day at the office, many of us need to blow off a little steam. Some of us head to the gym to sweat out our anger. Others, out to a bar to vent to a friend over a drink. But what if the best way to release tension is by combining the two?

In a pub in Calgary, Canada, yoga enthusiasts are encouraged to do just that with a new twist on an ancient art: Rage Yoga. This new concept takes the quiet, zen-like environment of a yoga class and flips it on its head — those who attend the classes are encouraged to swear and shout between poses, and stick around afterwards for a beer.