About this product [Three-dimensional design supervised by a chiropractor to simultaneously loosen the hard-to-reach area around the shoulder blades] Based on the techniques of a chiropractor, 20 three-dimensional protrusions are designed to stimulate a wide area of the shoulder blades and back, which are difficult to care for on your own. Just by lying down, you can experience a pleasant, relaxing sensation, as if you were being massaged by a professional chiropractor. [V-shaped design that sways gently, providing a deep "shoulder blade release" stretch] The unique V-shape gently lifts the shoulder blades, loosening and stretching the muscles. Simply swaying gently from side to side will target the stiff, deep muscles, aiming to improve stiff shoulders and posture. [5 minutes a day is all it takes! Relieve stiffness caused by desk work and lack of exercise] Care for the area around your shoulder blades, which stiffens from long hours of PC work or driving, in just 5 minutes a day. It can be used easily while sitting or lying down, comfortably pressing and loosening stiff muscles, and refreshing your entire back. [The carefully designed 20 "pushing protrusions" accurately stimulate pressure points] The 20 protrusions, large and small, with carefully considered hardness, shape, and arrangement, comfortably acupressure a wide range of pressure points, focusing on the shoulder blades. The moderate stimulation loosens stiffness and promotes blood circulation. By continuing to use it, you can relieve stiffness throughout your body. [High quality and warranty planned and developed by a Japanese company, making it ideal as a gift] Planned and developed by a Japanese company, we are confident in the quality. It comes with a warranty in case of damage. It is also a great health gift for Father's Day, Mother's Day, Respect for the Aged Day, etc., to express your gratitude.