Isigubhu esikhulu esizungeza kancane okusongwa kuso ucwecwe lwerabha e-vulcanized, kanye nommese omncane oyindilinga ozungeza ngokushesha ohanjiswa ubuso baso yisikulufu esiholayo ukuze ucwecwe lusikwe lube yintambo eyodwa ende; ijubane lokuhamba linquma ububanzi bentambo.