In today's world of recycling and the price a aluminum going up, more and more people are saving their soda and beer cans to turn in for money. This can take up a lot of space if you don't crush your cans. The solution would be to have a way to crush cans. Feet are a good can crusher, there are can crushers you can buy. The more affordable way, for some people, would be to build a can
. crusher. Simple materials are needed, two pieces of 2x4, some screws, a handle, a couple of jar lids and a hinge. You can find more information here: http://www.ehow.com/how_2265409_make-can-crusher.html