1 question!

why ?

Quite a redundant machine.

your missing the point, why would someone even thing about inventing such a device

Exactly, redundant!

oh right, i understand now[ot]BTW: i’m a plank:doh:[/ot]

ya why make a treadmill that moves ?

wouldn’t it be easier and less expensive to just go on a jog lol

i cant lie tho it does look interesting