Many of them would jerk off and give everyone a good show. After each had gone down to whatever they wore to cover them up they started again from their briefs of jocks and went to nothing. They show videos for about 45 minutes then hot guys come out and strip down to briefs or a jock getting hard then another guy cum out and does the same thing.
WOW, Michael Christopher!! In the early to mid 70's I was in New York for business on a weekly basis and used to frequent The Gaiety Theater just off of Broadway.