2/ choose a stout post.
3/ balance the Big Thick Plank precariously on post.
4/ have your mates line up their bikes.
5/ fire up your bike up, 'give it the berries' and hit the plank 'flat out.
6/ grit your teeth and hang on.
........and jump the bikes be the envy of ya mates and win the girl in the crowd.
(To avoid embarrassment in the unlikely case of failure, be careful to choose a bike with two large spikes suitable to impale your unhelmeted head on.)
