I-grooved ikwandisa ukukhuhlana phakathi kwe-mat kunye nomhlaba, ngcono ngaphandle kogutyulo kunye nokugcina umhlaba womile, kulula ukuwucoca kunye nokutshintshwa, okwanezinye izinto ezifanelekileyo, ezifana ne-anti-skid, i-anti-static, ukufudumala ukushisa, ukulwa nokudinwa kunye ukuthintela ubhubhane, njalo njalo.
Imethi ayinavumba kwaye yomelele iguquguquka, kunye nobomi benkonzo obungaphezulu kweminyaka esixhenxe.