Get Effective Massage with our Back stretcher which is equipped with 10 magnets and massage protrusions. It is an adjustable back stretcher designed with 3 slots, you could adjust the height to fit your stretching. Suitable for yoga, home, office, travel, and car use. You could just relax for a few minutes every day. Back Stretcher is a Fit for everyone Small and easy to install. Suitable for daily fitness, yoga, gym. This Device is a good gift for people who sit all day.