www.fitter1.com/torb.html+"Tornado+ball"&hl=en&ie=UTF-8
...but i've seen them ALOT cheaper than this on the net and in stores. If you have a med ball you could also rig up a chain housing for it, and wrap the end to hold onto...or even use a pulley attachment as a handle.
...but i've seen them ALOT cheaper than this on the net and in stores. If you have a med ball you could also rig up a chain housing for it, and wrap the end to hold onto...or even use a pulley attachment as a handle.