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.
People with diabetes can develop many different foot problems. Even ordinary problems can get worse and lead to serious complications. Foot problems most often happen when there is nerve damage, also called neuropathy. This can cause tingling, pain (burning or stinging), or weakness in the foot. It can also cause loss of feeling in the foot, so you can injure it and not know it.
Various red hot spots are caused by friction or pressure. These may also turn into blisters, corns or calluses. (6) Cracks, Sores and Ulcers. These are caused by dry or irritated skin, decrease in circulation, or abnormal pressure which is the most common cause of ulceration of the diabetic foot.