A cruise counts. But it's kinda big, so you probably don't feel the sway as much...?

[ Just guessing here. Misa hops down from where she's perched so she can get closer to eyelevel with the other girl (actually, more like farther away from eyelevel considering their difference in heights), but whatever. She's just gonna usher Lottie over to the railing of the ship. ]

I've heard that watching the sea goes by helps! Your brain needs to see that you're moving, or something. I don't really get it, but that's always helped me.