There's a frilly sock that comes with this scene by AnythingFashionVR. Maybe that's the one you're looking for?
https://hub.virtamate.com/resources/free-motion-capture-with-skirt-play.19169/
I tested the pose preset you provided. On the "Control & Physics 1" tab the "Detach Person Root Control" option was enabled with the pose which might be the cause. Also on the Control tab of the head controller the "Allow Possess/Grab" options were disabled which would prevent moving that as well.
This is the most popular plugin for genital alignment as far as I know.
https://hub.virtamate.com/resources/diviningrod.8992/
The one below is new and looks like might be a lot more powerful going by the example video. I haven't tried it myself to know how well it works though...
I think I know what the issue is. Since rotation treats certain values the same like 0° and 360°, there's technically nothing changing. To achieve a 360° spin you have to do like 180° as a keyframe in the middle, then a 90° keyframe in the middle between 180° and end keyframe of 0°, or just the...