1: gird your waist (of course, there are some without it)
2. Beautiful (mostly female)
3. Practical (mostly female, focusing on slimming)
There are many kinds of men's belts. Generally, if it is not tied too tightly, it can be said to be harmless. If the fat man has not had a beer belly, it can be effectively prevented. If you come out with them, you can be locked up for a long time, but the time may be longer.
If you are doing slimming, it is best to exercise, that is fundamental.