 Now you can get powerful hospital pain relief right in your home. You can do it with the two new EdenPure smart PainNut pain relief appliances. One appliance release pain for your back and the other appliance release pain for your joints, such as knees, shoulders, and elbows. For back pain relief, you just lay in bed and put the appliance under your back. For joint pain relief, you just sit in a chair and strap the appliance to your knee, your shoulder, or your elbow.