Gurney flap
...that auto racing icon Dan Gurney tricked competitors into installing his Gurney flap upside down?
...that auto racing icon <a href="./Dan_Gurney" id="mwDBg" rel="mw:WikiLink" title="Dan Gurney">Dan Gurney</a> tricked competitors into installing his <b id="mwDBk"><a href="./Gurney_flap" id="mwDBo" rel="mw:WikiLink" title="Gurney flap">Gurney flap</a></b> upside down?