The thing that turned me on the most when I used to bring my Filipina wife to the glory holes was not seeing multiple cocks in her mouth, but watching men fondle her bare breasts as she sucked their cocks. She would go totally nude and we'd even invite men into the booth with us.
The two adult theatres in my area both closed when covid hit. I miss them so much. The very best fun for $10 I've ever had. All the sucking and fucking that went on was such a huge turn on and pleasure to be a part of. When I drove long haul truck, I used to stop at many, many of them across this great nation of ours, and now that i'm retired I can only reminisce : (