Just realized this is a bit confusing. I'm talking about the rail to the right of the 2nd jump in the Jump Line on the left of the map by the Halfpipe.
Mar-O failed to post! (He warned this might happen) so I'll leave another few hours to vote for your favorite between Doni3l and Beachball! Beachball leads with one vote...
I have no idea, i did a lipslide to dub rodeo off if you want to know the trick, and if all you can see is a traffic cone just wait a few seconds for that to go away