Maybe even just one word.
Carryall 
But I have to wait half a year or more and
it will cost me much more than a Carryme do.
So most likely me first buy a Carryme to test
how it behaves and then if I really have to the
more future safe Carryall.
Talking about keeping balance and how fast one learn to master
to find the balance. Here is a challenge for people like me.
I guess most people would learn the Dirt Surfer thing but me would not.
http://www.dirtsurferworld.com/en/productsdirt_int.asp
Here is their experience of most people. I guess they mean
very young guys who already know how to surf on anything.
That is if your balance is on standard performance I guess. If your
a weakling it would take weeks of intense training or never ever.