Isikhumba esisezantsi sinomngxuma kunye noyilo lwe-perforated, oluphakamisa kakhulu ukuphefumla kwesikhumba, ukumanzisa kwamanzi kunye ne-ventilation, i-anti-slip kunye ne-resistant-resistant, kwaye ngoko nangoko amava ombane wokuqala wemoto, ukufudumeza kunye neminye imisebenzi.