In mid-1910 the Wrights changed the design of their airplane, moving the horizontal elevator from the front to the back and adding wheels.

The sport trim added larger wheels, a stiffer suspension, and closer ratios on the manual transmission.

Not all companies are adding wheels, though.

For 1997, the DX added 14-inch wheels as standard equipment.

Fashion's approach to this problem, while not exactly a solution, is atypically practical: add wheels.

They paused to add wheels to the sledge, so that now it could roll along the side of the path.

This package added chrome-clad wheels, sunroof, premium sound system, and special badging.

Mr. Rosen will also add wheels and a pull strap for $50 to $75.

Another discomfort-reducing possibility: adding tiny wheels to help crisper drawers slide out without a lot of effort.