Izi zimaphatikizapo kapu ya S60 screw, zolumikizira ziwiri zopindika, cholumikizira cha pagoda ndi zosefera zotayidwa. Ndi chipangizo chosonkhanitsira chopangira mankhwala amadzimadzi a mu labotale. Imakhala ndi ntchito yosindikiza mwamphamvu, imatha kuletsa kutuluka kwa zosungunulira, ndikukhazikitsa zosungunulira. Ntchito, imathanso kusefa mipweya yovulaza thupi la munthu ndikuteteza chitetezo cha ogwira ntchito.