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.
A wide range of conditions can cause bumps underneath the skin on the foot. Diabetics must pay attention to any abnormalities on their feet as blood circulation becomes disrupted. Ill-fitting shoes can lead to uncomfortable lumps and bumps.