1 Interchangeable needle kits are exactly what they sound like--a set of knitting needle tips, and a set of cords of varying length that can attach and detach from the tips to create many different combinations of needle sizes and cord lengths.
Poor circulation (blood flow) can make your foot less able to fight infection and to heal. Diabetes causes blood vessels of the foot and leg to narrow and harden. You can control some of the things that cause poor blood flow. Don't smoke; smoking makes arteries harden faster.
Most diabetic socks on the market are socks that are made to keep the feet dry, decrease the risk of foot injury, and avoid preventing or slowing blood circulation. They usually are made of materials that have superior abilities to wick away moisture, are fitted, padded, and non-binding, and do not have seams.