I had no idea these existed until a month ago. This one is a Bissell and is currently an “Amazon’s Choice” for this category. I heard them mentioned somewhere and instantly wondered if this was an offshoot of a steam-punk paperback book. I had to go looking.
We’ve had it long enough to mop the kitchen a few times and it does perform well. The mop heads are washable and have a little pocket for a fragrance disk. The floor dries fast.