Prosthetic limbs consists of a fitted socket, an internal structure, knee cuffs and belts that are attached to the body. Prosthetics socks cushion the area of contact and realistic-looking skin. Prosthetic devices are lightweight because its material is made from plastic. Some parts of the limb are made of wood and rubber. One model of a prosthetic limb is the leg, which is made of layers of stockinet cloth. It has joints at the knee and ankle, rubber soles on the feet, and a leather cuff. During the process of making the prosthetic limb, a temporary plastic socket is turned into a stronger socket which is made with fiber. The first step is to transfer the alignment using a vertical transfer jig. Next, a sheet of plastic is placed on a rack