Check this out

dashbo
t's on Amazon, and it is the listing for a laptop desk that attaches to the steering wheel of your car.
http://www.amazon.com/Mobile-Office-WM-01-Laptop-Steering/dp/B000IZGIA8/ref=cm_cr_pr_product_top
But then, check out the customer-supplied images below the listing's picture. Priceless! Direct link:
http://www.amazon.com/gp/customer-media/product-gallery/B000IZGIA8/ref=cm_ciu_pdp_images_all