How did Josh Sheehan practice for the triple backflip on a motorcycle?

After over 1 year of planning, preparation and endless Bagjump airbag training days it finally happened to dirt. Josh Sheehan is the first (and probably last) person in the world crazy enough to do a triple backflip on a motorcycle to a landing. But what went into the landing of this incredible trick? Let us rewind a couple of months. Travis Pastrana purchased a custom sized Bagjump AMPLE airbag to use at his house in Maryland for bike stunts and to practice new FMX tricks. Thanks to the possiblity of land