This 17 year old Norwegian kid has been redefining what is possible on the flatground. You can watch it 10 times to see what he does, mentally go through the mechanics, but at the end of the day this is sorcery:

Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture.... More by Francis Xavier