tubing with 3 or more matching tubes, where tricks are pulled by seasoned professionals :-) such as, triple barrel rolls, quadhops, and jumps that clear over 10 feet.
google schloobing, or search for it on youtube. A guy who went schloobing only about 3 weeks ago put together a pretty amazing video of it. Another one to come soon.
af SchloobingQueen 14. august 2008