I-grooved ikhulisa ukungqubuzana phakathi kwe-mat nomhlabathi, kangcono ngaphandle kokukhipha indle nokugcina umhlabathi womile, kulula ukuwuhlanza nokushintshwa, obuye ube nokunye ukufaneleka, okufana ne-anti-skid, i-anti-static, ukushisa ukushisa, ukulwa nokukhathala kanye ukuvimbela ubhubhane, njalonjalo.
Umata awunaphunga futhi unamandla ovumelana nezimo, nempilo yesevisi engaphezu kweminyaka eyisikhombisa.