These guys are the original creators of the human sling shot.
Heath Frisby just landed the first Snowmobile Front Flip in competition at this year's Winter X Games.
This is why you dont try jumping moving cars.
That did not go as planned. FAIL
He makes the bungee cord to long and smashes into the ground.
This kid's friend's dare him to jump in a puddle for a dollar.
No way in hell would you catch me up on this thing!
This is what it would be like to exercise on the moon.
You wouldn't catch me up there! These guys are nuts.