ITE CE Bowling SG All the following links will teach you about all the bowling ball layouts & with their effect:http://www.docstoc.com/docs/518768/B...illing-Layoutshttp://www.bowlingball.com/info/manu...yout-list.htmlhttp://www.hammerbowling.com/tech_in...structions%208http://www.currahee-usbc.org/korner/layouts/index.phphttp://www.vinu.edu/cms/opencms/futu...drillings.htmlhttp://www.bowling-info.com/index.ph...rill%20Layoutshttp://docs.google.com/gview?a=v&q=c...ImXxkkW1_2A37g Rico Drilling Layout: http://wiki.bowlingchat.net/wiki/ind...&printable=yeshttp://bowlingknowledge.info/index.p...=181&Itemid=47http://www.brunsnick.com/rico_ball_layout.html