Palm NRG Digital Pulse Massager

Here is another wearable system that helps tone and firm your abs. The Palm NRG Digital Pulse Massager can stimulate the nerves that make your muscles contract and relax. It comes with 8 massage modes. You can use the pulse massage unit without the belt too.

You can use this on your lower back or even arms and legs. Available for under $50 at this time.

[where to find it]