There are two kinds of skimmers, one is a belt type, and the other is a rocking machine standing on it. A friend of mine used an easy vibrating liposuction machine because she just didn't think it was reliable to lose weight with a belt. Anyone who has used a vibrating abdominal liposuction machine will feel more relaxed, but this is not to reduce fat, but to massage muscles. Relax after exercise. The skimmer standing on it is not simply to exercise the waist, but to exercise every part of the whole body. The same exercise time, the effect is better than the belt skimmer, and of course it is more expensive than the belt skimmer, which is one of the reasons for your high price. Therefore, I suggest that you want to lose weight effectively. I believe you have spent a lot of time and energy on losing weight. If you still haven't achieved the effect of losing weight, it's a waste of time.
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Of course, you can try all these methods, and the key is persistence. Each method has a certain effect, and the length of persistence determines the degree of weight loss. Speaking of the harm of belt skimmer, there will be no side effects within the scope of your normal use. Of course, you can also overuse it, otherwise it will do some damage to the internal organs.