Angle is the detail most foot massagers ignore. A supporting bar behind this one tilts the whole 20 by 18 by 17 inch body up or lets it sit flat, so the machine meets the feet at whatever angle the chair puts them at instead of forcing the ankles into a fixed position for the whole session. Once the tilt is set, four things happen at once inside: kneading, rolling, vibration, and constant heat, working the soles and the calves together rather than one area at a time. Heat holds at a steady level throughout the session, which warms cold feet through rather than in bursts. The vibration setting runs alongside the mechanical action, and several intensity levels are available so the same machine suits someone easing into it and someone who wants deep pressure. Everything is chosen from a control panel on the top surface, reachable without bending down, and a 15-minute timer ends the session on its own. Practical details carry the rest. The zippered foot sleeves come off and go in the wash, keeping things hygienic when more than one person uses it. Anti-slip footpads protect the floor from scratching and stop the unit creeping while it runs, and two built-in side handles make the 23 pound body straightforward to move and put away. The shell is ABS throughout, it draws 80 W on 110 V 60 Hz power, and the sleeves take a foot up to US size 9.5. It ships in Black/Red with a user manual.