Because the vibrating dieter's belt is always at the waist. And if it is a simple vibration slimming machine, there will generally be a standing board. When you lose weight, you stand on the standing board. Treadmill with vibrating weight loss device is better understood. Stand on the treadmill and lose weight with the dieters.
If you don't understand, rent a set of "Slimming Men and Women" discs. This is what Sammi Cheng used to lose weight. You can also go to the gym. However, treadmills in gymnasiums generally do not have vibration weight-loss devices. )