It was in Munster, in western Germany, that I first encountered video studios. You pay a fee and then wander round a big building like a converted warehouse, divided into rooms. In each room a sexy video is showing, and when you find one to your liking you just sit or stand and watch it. If you feel inclined you can bolt the door behind you, and there is always a very large bucket and a roll of tissues. My impression was that the bucket, which is more like a dustbin, was there to encourage you to shoot a load straight into it.
I thought the best videos were some old sepia films showing men only. There was one muscular guy who could ejaculate just by exercising his body, without touching his cock. There was a very artistic showing of four men who stood in a square, facing each other, with their big erect cocks touching in the middle, until first one and then another ejaculated.
There was usually a hole in the wall between two rooms, to allow a bit of voyeurism, though one could block the hole by moving a chair up against it. From one cubicle I could see through a very small hole into the next one, and as I watched a film I heard the sound of two blokes entering that room and shutting the door. I peered through the hole and was just able to see that one of them had dropped his trousers to the floor. His pants were half way down his legs, and the other guy was wanking him. Quite soon, the one being wanked started gasping and moaning, and although I was unable to see his ejaculation, I actually heard the bursts of semen splattering on the lino floor.
Immediately I heard them open the door and go, I went out into the next room to check, and sure enough, there were substantial globs of thick, yellowish spunk spread over about a square foot of floor.
I went back into my room and shot a load into the dustbin.