>Remove any puncturing objects.
>Insert rasp tool into hole and slide up and down to roughen and clean inside of hole.
>Remove plug material from protective backing and insert into eye of needle.
>Insert with plug centered in the eye of the needle into puncture until plug is pushed approximately 2/3 of the way in.
>Pull needle straight out with a rapid motion, do not twist needle while pulling out.
>Cut off excess plug material flush with the tire tread.
>Reinflate tire to recommended pressure and test for air leaks by applying a few drops of soapy water to plugged area. If bubbles appear, repeat the process.