one thing and one thing alone. The only thing he has ever aspired to do, his one dream, his one goal in life, is to be in the Member Spotlight. If you're reading this from the front page, Bitter Cold's life is complete. It's all he ever wanted. He can die happily.
There's no way you could drive with it, your stuff would fall off if you turned the wheel.
I'd guess it's for working in your car while it's parked? Why would you even need to do that?