It's a Maybe!
OK, I admit not everyone has one. OK I admit it's difficult to imagine how a wobbling platform manages to soothe away stress (if it did then game console's rumble handsets would never make your hands ache). However, this is voted a "Maybe" as they are still for sale, and still go through phases of popularity - so who knows, one day...
Later that year Pifco adverts also covered a body and head massager that looked rather like a hair-dryer with a rubber sucker attached.