Originally posted by koabich
It comes with a one way but i don't know of anyone who uses a one way on carpet. Try it.
I tend to use one-ways in the car on carpet, but a) I'm using rubber tyres, b) suits nmy driving style. Although I will admit for a tight and twsity track a spool (or diff) would probably be a better option, just so you can use the brakes.
HiH
Ed