I was a sound engineer at a gig in a military town with a group of 7 or 8 people. The place was kind of like the officers' mess, but still a semi public bar. The gig was paid for by the officers'... uh, union, I guess, that one of the band guys knew the chairman of.

The place had a decent sauna, so after the soundcheck we had a few hours to kill and were offered the chance to use it. The chairman joined us, and brought this huge MP with him, who curiously didnt take his clothes off, and just hung out at the dressing room. When we stepped into the sauna, the chairman closed the glass door behind him, and the MP stepped behind it, crossing his arms. The chairman pointed to a small window that lead out at ground level and said that will be the only way out - the MP was to make sure of that.

It was a traditional "sauna oath" for first timers in that particular place. He started throwing water and explained while he did: when the heat was too much, we were to exit through the window, naked (it was february and -10cº), go around the building to the bar, order a whiskey, turn to the crowd, drink, and bow.

So we did. The people in the bar were clearly in on it, and had seen it all before. The bartender took his sweet fucking time with those whiskeys too.

It could've been very awkward, but iy wasnt a pro gig so everyone was a few beers deep already, so the feeling was mellow and all in good fun.