For us, kissing
has to be a part of swinging. And I'm talking about kissing on the lips.
From what I've read, most often couples leave kissing out because they feel it is a sign of intimacy (I think they mean love) that they don't want to express to anyone but their spouse.
For us, we know that kissing each other is what makes the kissing special and loving. We could kiss hundreds of other people - even using the same "techniques" of kissing - and it would never feel, or mean, the same with those swing partners.
Think of it this way, is it the meaning behind your actions, or your actions that mean the most?
I always have to begin with kissing.
LM