Indwangu enkulu yi-polyester, ukwakhiwa kwezintathu ngolwelwesi lwe-eptfe, kukusiza ukuthi ugcine amanzi egobolondweni, uma ungadingi ukuhlala emgodini wesikhathi eside, futhi uyodinga ukuwenza ngebhayisekili isikhathi eside, futhi ungakusebenzisa ukujabulisa ukuhamba ngebhayisekili. Ukuhamba ngebhayisikile, eHllwalking, noma ukusetshenziswa kwansuku zonke ezungeze idolobha, noma kunjalo, kungukuthi konke okuyisimangaliso kukusize ukuzivikela ezintweni.