Sergio Acosta lays out a proper flying wombat. It runs in the blood of true NBF1 members. If your curious about tuck no hander etiquette I would recommend checking out this editorial that CapitalBmx set out.
Here is a quotation from the text
"We’ve all seen them at the skatepark. A Heinous abortion of an otherwise smooth and stylish trick- A maneuver that instantly makes you wonder how quickly you could carve into your eye socket and dig your retina out with a spoon. The trick I speak of is clearly the “downwards stretched no hander” or the “Donkey Kong”. "