Shiatsu KneadingMassage Cushion 1). Four kneading heads in it. 2). Just like a professional massagist. 3) .It can be tied to most chairs so as to enjoy kneading at every moment everywhere. 4). The whole back can be massaged, including shoulders, upper, middle and lower back and also thighs. 5). Relieve your tiredness and accelerate blood circulation.