Not of hands. [ This isn't that crazy a party, though, so it looks like all everyone does is....jump up and down? Well, if the music is mostly rhythm, what else can you do?
Haruka rocks back and forth on the balls of her feet, trying to get a feel for it. ] I think we just improvise. Like this.
[ That rocking turns into a sway. It's a bit more suave than the standard rave motion, but it's in time to the music.... ]