Bizwi kandi nka rubber cone base, ifite imbaraga nziza, zikomeye kandi ziramba, ntizimeneka byoroshye, igiciro gito, nibindi, Nibicuruzwa bikoreshwa cyane kumasoko kurubu.Shingiro zose zikoresha uburyo bwihuse bwo guhonyora ibintu byemeza ko guhuzagurika kubumbabumbwe kumurongo muremure.Yashizweho kugirango yizere neza ibirenge byimodoka iboneka