An air cushion is a layer of trapped air which supports a hovercraft.
An air-cushion vehicle is an alternative name for a hovercraft.
shoes with a lot of cushion such as Dr. Scholls
Air cushion vehicles work by creating a large force of that points to the ground. This lifts the vehicle off the ground letting it ride on a cushion of air.
it rides on an air cushion so it can go on water, land, snow ect.
A vehicle that travels over water or land on a cushion of air is called a hovercraft
you could put a cushion over an air conditioning vent on the floor.
on a cushion of air
A hovercraft is an air cushion vehicle which floats on a cushion of air. Their power source can sometimes be gasoline or sometimes electricity.
As the air cushion is inflated, the area of contact with the surface is very less.As a result, the friction is less.
They make them in all sizes.
You can purchase in any shoe store in a nearby mall. You can also search it up online such as Amazon.com. There you can also read reviews and maybe can free shipping. If you really can't find it, just buy an air cushion separately, make sure non-stinky, and stick to your shoes.