(Similar to sauna belt), it is a black belt made of neoprene. He tied it to his waist before practice, and soon after practice, he began to pressurize, only to see sweat flowing down like a stream. This kind of belt is very effective in reducing waist and abdomen fat. Whether his method is really effective or not, he really has no fat at all.

Wei Deyao: I saw it on foreign websites. I just need to buy a sauna belt.