Horizontal arch support function: kumawonjezera mphamvu yonyamula pamwamba pa phazi ndikuchepetsa kupsinjika kwambiri.Kapangidwe ka hinge motion: imakhazikika bwino ndikuthandizira kusuntha kwaufulu kwa cholumikizira chala chala chachikulu.Kuwongolera kwa Chilengedwe: Gwirizanitsani phazi, tetezani mfundo za phazi, sungani chala chachikulu pamalo ake achilengedwe, mawonekedwe abwino komanso kupewa matenda a phazi.
