Pain relief all day, every day. Immediately treats your pain at its source (Pain caused by being on your feet all day). Try it risk free. Money back guarantee. ShockGuard absorbs impact with every step. Is this right for me? Dr. Scholl's Pain Relief Orthotics (P.R.O.) Lower Back is designed for people who suffer lower back pain from being on their feet all day. How does it work? With each step you take, your foot strikes the ground generating jarring shock that travels up your leg and into your lower back, resulting in pain. Dr. Scholl's with ShockGuard provides pain relief all day, every day. Dr.