Can't think of any reason why one would stick ones knee out that far - on the street that would be dangerous! Save those expensive leathers and tuck them thar knees IN!
I think this photo shows some great riding skills. His head is level with the road and looking at where he wants the Viffer to go. I see so many out there who keep their head at a 90% angle with their shoulders and do not pivot their head, just their eyes.