Make your own DIY Swift

As several of you know I have recently been bitten by the knitting bug. If you wish to follow me and my projects on Ravelry here is the link.
One thing I really wanted was a swift which is used when making your ball of yarn. I didn't want to spend a lot of money on gadgets though I love too.  Here is a pretty cheap and simple way to make your own yarn swift. I didn't spend any money on it as I have everything at home except for the pvc pipe. The ball winder I am using is from knitpicks and works really well with this swift