Verve has the agency for the sumo wrestling kits in Ireland and hires them out. It is taking off in pubs, clubs, at office parties and weddings across the country. The same kind of fad as karaoke .

There's a sumo ring in the pool. But instead of wrestlers, you get to play some monster on an inflatable pool toy. Play Monster Poolside Sumo game online on your mobile phone, tablet or computer.

Audience volunteers — wearing inflatable sumo suits — may combat the wrestler of their choice at Asakusa Sumo Club in Tokyo. (Kelly Agee/Stars and Stripes) ...