Mow-Aire is a wheel attachment system designed to remove and attach to the front wheels for standard push/self-propelled lawn mowers. It operates by utilizing the 2 spikes poking holes in the grass while you are mowing the grass. Its best to use the Mow-Aire when the ground is not real hard.
The benefits of the Mow-Aire are it helps getting air, water and fertilizer to reach the roots of the grass.