Filter Queen Vibrator.
I love this, the pictures look interesting, and reply 1. is quite suggestive. However, vibrators on vacuum cleaners are not new. Did you know that Eureka started out as a vibrator company before turning to vacuum cleaners? We all tend to think erotic things when we say vibrator, but the idea was to relieve tension? No, not that type of tention!!! Aching shoulders, feet, and so on.
The first known vibrator on a vacuum cleaner was the Federal Electric circa 1910, and of course the Kirby Classic Omega had one. Fact is it's a useless feature to help close the sale. Many a husband was sold on the Kirby because of the Handi-Butler. Now it wasn't a vacuum demo, the husband saw power tools, and signed on the dotted line, forgetting the fact that he'd never use the drill or sander.
This is not as strange as the bonnet hair dryer or the clothes dryer thingy. Filter Queen suggested that you hook that up to the blower end atop the motor to dry things. Nylons and undies were about all it was good for, but these, like the Garment Aire bag Electrolux had were all gimicks, but they sold the machines.
And if nothing else, that vibrator will bring a few laughs.