The West Coast Swing under arm turn, sometimes called the right side pass.
We start from the open position. Nicola is going to take her two walking steps forward. Guys are going to step back and get out of the way. Let's show it to you, like this. Walk, walk, triple step, triple step, walk, walk, triple step, triple step. So I'm going to step back, leading the ladies forward, and then I'm going to cross over with my right foot, getting out of the way so she can stay and walk straight down her slot.
Remember the lady has a slot in West Coast Swing. It goes back and forward. She takes walk, walk. I go back, cross. Walk, walk. Back, cross for me. We pass just like in East Coast Swing on the first triple. Triple step. We face each other for the second triple. Triple step. I end up with my right behind my left, her left is behind her right. Again, I go back, cross. She goes walk, walk. Pass on the first triple. Triple step. Then we take this other triple in place. Triple step.
As we cross, as we pass each other on that first triple, make sure that you don't bring your feet together but that one foot actually crosses in front of the other. So as I go back, cross, my right foot stays crossing in front of my left. Her left foot stays crossing in front of her right. So we go triple (see how she's crossed in front?) step, triple step. So one more time. Walk, walk, triple step, triple step. And that's the under arm turn. We're going to try it to music.
There's your under arm turn.