I liked the model by ftobler http://www.semaker.com/productdetail/3207 and wanted to create a version with more than one ball and chain.
I remixed his model by enlarging 175%, removing the handle, and lengthening the chain. I made a connecting loop on which you can put three or more balls and chains.
I decided the handle was too short, so I made it twice as long as the model shown in the picture (two pieces).