Ilula, iqinile futhi inomklamo olula, okhangayo, lesi sihlalo sehhovisi sisebenzisa ipulasitiki eqinile ukuze sinikeze indawo ekhululekile futhi kulula ukuhlala nesihlalo esilingana kunoma iyiphi indawo yehhovisi.Isihlalo esibunjiwe sepulasitiki sinokwesekwa kwangemuva lapho usidinga khona kakhulu, kuyilapho ukulungiswa kobude kuqinisekisa ukuthi silingana wonke umuntu.Imilenze emi-5 yonke ifaka ama-castor, futhi ngokunyakaziswa okulula kwesihlalo kwenza isihlalo sinyakaze kalula uma sidingeka.Isihlalo esiphelele sehhovisi ngentengo enkulu.