Kuiswa kwegonhi rekumashure bumper guard ndeyekuisa akati wandei-akasimba matanda esimbi akachinjika kana kutsvedza mugonhi regonhi remusuwo wega wega, iro rinoita basa rekumberi nekumashure rekurinda rekumashure, zvekuti mota yese "inoperekedzwa" nevarindi vekumashure kumberi, kumashure, kuruboshwe nekurudyi, vachigadzira "madziro emhangura uye madziro ekuchengetedza simbi". Ehe, kuisa rudzi urwu rwekumashure bumper guard pasina mubvunzo kuchawedzera mamwe mari kune vanogadzira mota, asi kune vafambi vemotokari, chengetedzo uye pfungwa yekuchengeteka ichawedzera zvakanyanya.