EMPLOYEE BECAME AGGRAVATED AT PLASTIC SEAT COVER AND USED HIS POCKET KNIFE TO CUT IT OFF. WHILE DOING SO HE CUT HIS HAND WHICH REQUIRED SUTURES. PLASTIC SEAT COVER WAS INSTALLED 3 YEARS AGO BE CAUSE EMPLOYEE HAD EXCESSIVE BODY ODOR. COMPANY PURCHASED AIR CUSHION TO HELP BUT EMPLOYEE DIDN'T LIKE PLASTIC.