Self Myofascial Release Tool by solorolo

The SoloRolo improves on an old yet popular home-treatment — the simple tennis ball, which you trap between your body and a solid surface and roll on to achieve some relief. However, the trouble with tennis balls is that they’re actually made for playing tennis, not for massaging your tight muscles and trigger points, and as a result, they roll around, and can be too soft to really provide relief when used as a massage tool instead..

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http://www.solorolo.com/