Bumpers suna da ayyukan kariya na aminci, kayan ado na abin hawa, da haɓaka halayen motsa jiki na abin hawa.Daga ra'ayi na aminci, lokacin da hatsarin haɗari mai sauƙi ya faru, motar na iya taka rawar ɓoye don kare jikin mota na gaba da na baya;tana iya taka wata rawa wajen kare masu tafiya a kasa a yayin da masu tafiya suka yi hatsari.Dangane da bayyanar, yana da kayan ado kuma ya zama muhimmin sashi don yin ado da bayyanar motar;a lokaci guda, motar motar kuma tana da wani tasiri na aerodynamic.
A lokaci guda kuma, don rage raunin da mutanen da ke cikin motar ke fuskanta idan wani hatsarin da ya faru a gefe, yawanci ana sanya ƙofa a kan motar don haɓaka ƙarfin tasirin haɗarin mota na ƙofar motar.Wannan hanya tana da amfani, mai sauƙi, kuma tana da ɗan canji ga tsarin jiki, kuma an yi amfani dashi sosai.Shigar da bumper ɗin ƙofar shi ne sanya katakon ƙarfe masu ƙarfi da yawa a kwance ko ba daidai ba a cikin ƙofar kofa na kowace kofa, wanda ke taka rawar gaba da baya na motar, ta yadda motar gabaɗaya ta kasance tana da “gadi” gefen gaba, baya, hagu, da dama na motar., Samar da "bangon tagulla", domin masu motar su sami iyakar tsaro.Tabbas, shigar da wannan nau'in ƙofa na ƙofa ba shakka zai ƙara wasu farashi ga masu kera motoci, amma ga waɗanda ke cikin motar, aminci da amincin za su ƙaru sosai.
