The way underwear is worn is also particular. Lean forward and push and pull with your hands: yes.

Is it better to buy adjustable underwear in a franchise store?

Adjustable underwear at the right price: I recommend one: Jordana body-building underwear.

If you are in Nanjing, you can go to: 2-28 Ruijin Road.

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I hope my answer is helpful to you. If there is anything unclear, you can also leave me a message.