Ukufakwa kwe-bumper guard yangemuva ukubeka imishayo eminingana yensimbi enamandla aphezulu ivundlile noma igobile kuphaneli yomnyango womnyango ngamunye, edlala indima yonogada bangaphambili nangemuva, ukuze yonke imoto "iphelezelwe" onogada bangemuva ngaphambili, ngemuva, kwesokunxele nakwesokudla, ukwakha "udonga lwethusi nodonga lwensimbi" olunomkhawulo wethusi. Yiqiniso, ukufaka lolu hlobo lwe-bumper guard yangemuva ngokungangabazeki kuzokwandisa izindleko ezithile kubakhiqizi bezimoto, kodwa kubagibeli bezimoto, ukuphepha nomuzwa wokuphepha kuzokhula kakhulu.