The concept of wife swapping, also known as partner swapping or swinging, involves a consensual exchange of partners for intimate relationships. This practice is often discussed in the context of open relationships, non-monogamy, and alternative lifestyles.

As you've mentioned "part 1 new" in your topic, I'm assuming you might be referring to a multi-part series or content collection. If you could provide more context or clarify what you're looking for in "part 1," I'd be happy to try and assist you further.