This is a Tsubo-pushing stick. Recommended for stiff shoulders, massage, acupressure, etc. ★ Actually, I spend a lot of time working on my smartphone, so I always keep this item nearby and use it to relieve my stiff shoulders when they get tight. Easily reaches the back Stimulates muscle stiffness at specific points The flexibility of the arm allows for adjusting the pressure Easy-to-grip handle Shipping included Anonymous shipping Thank you.