My sister is military, ex cage fighter and now body builder. She choked one of her boyfriends out at Thanksgiving about 10 years ago.....She was just playing.
JUST FUCKING PLAYING!!!!! She's only 4'11 but don't let that shit fool you.
These apparently don't have the wave motion like the older ones. I've never tried one but I saw a similar one advertised at the store I bought the kid's bunkbeds at a few years ago.
https://www.waterbedoutlet.com/strata-g700-waterbed-mattress-bundle-p/bundle-1g7.htm?1=1&CartID=0
Again, you're completely missing the point because your thread was not about how filthy they were, even though you mentioned that.....I was about how they aren't around, when indeed they are.
Along with waterbeds.