Dump truck

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 * Start by rolling slowly, with your handle-bars turned around and your feet on the back pegs.
 * Pull up on the handle-bars so only your back wheel is on the ground.
 * Grab the right side of the fork with your right hand (making sure the wheel has stopped spinning!).
 * Now take your left hand off of the handle-bars
 * The handle-bars should turn 90 degrees.
 * Take your right leg and scuff the back tire.
 * Then just set the bike down and return to the original riding position.