For his part, Duvnjak found therapeutic value in the Rage Room.

Serbia's Rage Room, organized in a refurbished garage, is much more basic - and cheaper.

Pausic said each visitor must sign a document that includes a clause saying the Rage Room does not aspire to offer medical assistance.

Protected by a hard hat and overalls, a customer of the Debosh stress relief service smashes household objects in a rage room.

Visitor Savo Duvnjak smashes furniture and other household items during a demolishing session at the Rage Room, in Novi Sad, Serbia, last month.

Since it opened in the northern Serbian city of Novi Sad in October, the Rage Room has drawn a flurry of attention in the Balkan country where two decades of war, political crisis and economic hardship have driven many people over the edge.

Maybe that's why the Rage Room is proving so popular.