SECTION 6: VERTICAL STABILIZER
When first putting the nose rib in, don't ram in in there and cleco. Be gentle, and it will probably need to be sanded down. Otherwise you will have "outtie" dents on the leading edge of your skin.
Before you start riveting, put some electrical tape on your bucking bar. It will help to not beat up the AlClad or scratch off your primer if you did that.