Lazy abdominal muscle patch is not easy to use and has little effect. Abdominal muscles must be exercised. Sticking this thing has no effect. Ways to practice abdominal muscles:

1, exercise abdominal muscles, and exercise abdominal muscles, especially rectus abdominis, by rolling and tearing abdominal muscles. Thicken abdominal muscles.

2, reduce fat, reduce abdominal fat, abdominal muscles naturally come out.