Ufakelo lwe-bumper guard yomnyango kukubeka imiqadi yentsimbi ephezulu ethe tyaba ngokuthe tye okanye ngokutyibilikayo kwiphaneli yocango locango ngalunye, edlala indima yokugada ngasemva nangasemva, ukuze yonke imoto "ipheleke" ngasemva. i-bumper guards ngaphambili, ngasemva, ekhohlo nasekunene, eyenza "udonga lobhedu kunye nodonga lwentsimbi", ukuze abakhweli beemoto babe neyona ndawo ikhuselekileyo yokhuseleko.Ngokuqinisekileyo, ukufaka olu hlobo lomnyango we-bumper guard emva kwamathandabuzo kuya kwandisa iindleko ezithile kubenzi beemoto, kodwa kubakhweli beemoto, ukhuseleko kunye nemvakalelo yokhuseleko luya kwandisa kakhulu.