lol ok ok i'll answer u now. the end caps have a little metal clip they screw into that slides onto the body of our car.... and three screws i recommend three on the bottom part or one on the second to last clip because thats where the metal on the underside is the thickest and one in the front and one in the middle.... but tha middle one may fall out .... but yah thats it <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt=':)'>