According to their homepage there is a minimum limit of 79 different females working this FKK sexclub every single day, probably divided by two shifts. The location Kaarst is clove to many strategic Autobahn highways connecting Krefeld, Dusseldorf and Essen enroute to The Netherlands. It's not a real FKK club though, it's more of an sauna club since women tend to wear thongs and lingerie most of the time.
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Still, pretty popular hangout for high performance punters seeking multiple sexual encounters with international ladies.