Only tried it in Amsterdam. The good bit is they are very polite, respectful etc and tuned in to such things. The swingers club had a fairly posh welcome area, a beautiful bar area, room for mingling and dancing. However, instead of many small rooms that you’d see in U.K. clubs, there was a strange enormous main room, beds laid out in precise formation. The Dutch are not really a very jokey lot and neither of us spoke Dutch so that was a hindrance. On the other hand, ‘Dam has many other opportunities in a nice compact area, from a sex museum to strip shows with audience participation. And there’s always cakes and spliffs that you can both enjoy if so inclined.