Your start is key.

Make sure you leave your spot riding forward--on the way turn around (to fakie) so all bystanders will know you're doing this trick the hard way.

Okay, so now you're approaching the transition with some speed, your knees are bent, your hands steady on your sides to keep good balance, and your eyes are targeted to the spot you're gonna hit.

While going up the tranny, remember that your nose is longer than your tail so be patient and wait until you feel the end is coming around.

Jump.

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