Sharks teeth and eye were put on planes in WWII to keep brids frompooping on them.Hans -- David LeonardTurbo Rotary RV-6 N4VYMy websites at:http://members.aol.com/_ht_a/rotaryroster/index.html http://members.aol.com/_ht_a/vp4skydoc/index.htmlhttp://leonardiniraq.blogspot.com