You can slim your waist by skipping rope. When skipping rope, waving your arms can drive the whole back to move, so you can slim your waist. You can dance for half an hour every day. In addition to skipping rope, you can also lift dumbbells, just use 1-2kg dumbbells. Sticking to exercise can make you slim down. I think exercise is too slow, which makes my back thin. After using it, I found it was the fastest and best slimming I have ever used. Now! ! !