The biggest thing that a large, expensive, full-featured massage chair has in common with an actual professional masseuse is that neither of them are rubbing your back right now.

Shaped to fit against the back of a chair, sofa, or seat, it delivers a deep-tissue kneading massage that works through the upper and lower back instead of politely skimming the surface. Rotating massage nodes apply steady pressure where tension tends to collect, while optional heat helps muscles relax enough to stop giving you a hard time. Unlike full-size massage chairs that demand floor space and long-term loyalty, this one shows up when you need it and disappears when you don’t. Controls are simple, intensity is adjustable, and the whole thing moves easily from room to room, or even into the car, without making a scene.