My wife and I mutually agreed to experiment together with different sexual situations involving others. We first tried it with different friends but eventually the excitement dwindled and we decided that strangers would add that degree of excitement to what we were looking for sexually. This new adventure meant that we would need to locate willing strangers. Bars and lounges came to mind but neither of us likes to be around drunks.
I came upon a situation one day at a rest area when I saw a glory hole in the partition between the stalls. When I got home, I told my wife about it. I explained how it is used in public restrooms and asked if she would like to try it out. She didn't think she wanted to be in the men's room but suggested that I recruit a willing horny man from inside. She decided that I could watch from the front seat while she jerked him off. If she liked his cock, she would give him a blowjob while I watched or fucked her. This night certainly changed our sex life together and lead to some of the most memorable occurrences of our long marriage. The following actually happened.
There were a few trucks in the rest area so I entered the men's room in search of a willing participant. After about twenty minutes of sitting on the crapper, I decided this wasn't working and went back out to the car. I told my wife nothing was happening and she said to try again and if someone comes in, be creative.