[Borobo]

I would like to suggest caution with the bump as well, since with a center of gravity as high as yours is, you could very easily tip over your robot if you hit the bump at an angle or were hit by a robot while crossing. also, while I'm not trying to discourage you, the actual bump has a lot less traction than the foam mats since it's made of steel. you should go get some thin sheet steel and put it over a wooden bump for tests