Dr. Kerch, Seattle podiatrist for over 25 years, steps out on Better Northwest to share her findings. She adds, " There is more you can do to relieve your pain. Science and technology bring innovations to shoegear and products to aid your healing. I can give you the tools and support to help you achieve better health. Rocker sole technology has been around for many years for treating different types of arthritis, hallux limitus, and many other conditions. The Ryn is the Next Generation of rocker sole and Z-CoiL the double rocker sole are at the cutting edge of pain relief footwear."