I'm giving this away because I no longer use it. It has just the right amount of cushion and makes your shoulder blades feel refreshed! I personally used it differently, and it felt good on my lower back and neck as well. I bought it three months ago. I will disinfect it with alcohol before shipping. ↓Description at the time of purchase↓ Presses a wide area at once! A unique arrangement of a total of 16 protrusions on both sides of the spine. Eight X-line protrusions stretch and stimulate stiff shoulder blades! You can adjust the position of the protrusions by shifting the main body to experience the stimulation that suits you. Compact size and lightweight, making it convenient to carry. Stiff shoulder blades, Stretch your back and feel refreshed! Shoulder blades and back that get stiff in daily life. You want to loosen them, but it's hard to reach them yourself, right? But massage machines take up space, and going to a massage parlor is a hassle... With this Gui-Oshi Back Stretcher, Stretch it out and press it firmly!