A very tricky tool: the executive laptop steering wheel mount:

Mount your laptop or notebook to your car's steering wheel and catch up on all your work while parked for extended periods at a location. Ideal for outside field sales and service professionals, real estate executives, students, etc. Arkon's Executive Laptop Steering Wheel Mount will hold ALL portable laptops up to 10 Lbs. in weight. A ball point pen included conveniently attaches to the underside of the base of the mount. The laptop steering wheel mount is very portable. It conveniently folds up and can be stored under the seat while not in use.

IMPORTANT NOTE & SAFETY WARNING: THIS PRODUCT IS ONLY FOR USE WHEN THE VEHICLE IS PARKED AND THE IGNITION IS TURNED OFF. DO NOT ATTEMPT TO DRIVE A VEHICLE WITH MOUNT ATTACHED TO STEERING WHEEL. DEATH or INJURY TO YOURSELF AND OTHERS WOULD OCCUR. ARKON RESOURCES, INC. ASSUMES NO RESPONSIBILITY OF LIABILITY IF THIS SOLUTION IS USED IN ANY OTHER CAPACITY THAN DESCRIBED HEREIN.