Iyo cord lock mechanism chikamu chakakosha chinobvumira mapofu kusimudzwa uye kuderedzwa nyore uye zvakachengeteka.Iyo ine mudziyo wesimbi unowanzogara pamusoro penjanji yemapofu.Iyo tambo yekuvhara yakagadzirirwa kubata tambo yekusimudza panzvimbo apo bofu riri panzvimbo yaunoda.Nokukwevera pasi patambo yekusimudza, tambo yetambo inobata uye inochengetedza tambo panzvimbo, ichidzivirira mapofu kufamba.Iyi meshini inobvumira mushandisi kuvhara mapofu pane chero hurefu hwaanoda, nekudaro achinyatso kudzora huwandu hwechiedza chinopinda mukamuri uye nekupa zvakavanzika.Kuti usunungure chivharo chetambo, zvinyoronyoro dhonza kumusoro kwetambo yekusimudza kuti usunungure michina, uchibvumira mapofu kusimudzwa kana kuderedzwa sezvaunoda.