No one seems to know why but cats love cardboard boxes, but they do. Oh, they do. If you want to test the theory then just put a box anywhere in your house and see how long until your kitty takes up residence.
While a normal cardboard box lying the right way up should be enough, sometimes cats need a little more encouragement. Which is where this video comes in.
It shows a simple way of capturing a cat. All you need is a box, a stick, a cat toy, and a gullible moggy.
As an aside, if cardboard boxes are all you need to catch a cat, a vacuum cleaner is all you need to repel one. These two household essentials are the yin and yang of the moggy universe.