People go behind so many Weight loss devices and gets cheated by those devices. According to me the best Weight loss technique is walking.
Daily walk 1 KM. You can see the difference fom first week itself.
Why should you buy expensive devices when you have a free technique - Walking with you.
If you dont like to walk then ride a bicycle. This can also help you to reduce your weight dramatically.
So try walking or bicycling and see the difference. Hope you will try Weight loss technique - Walking.