Door cylinder refers to the way that the front door is wrapped with cloth or pasted with cloth. In the jargon of clothing, this kind of front placket is sometimes called a door tube, so the door tube collar refers to the collar with a door tube, and the lapel refers to the collar shape with the bottom collar turned out. Long sleeves or short sleeves have lapels, which are different from round neck, V-neck and stand-up collar.

This is called "door tube", also called access control and front tube, not "doorman". Explain in detail below: the clothing industry generally refers to the part where the clothes are buttoned or zipped at the midline of the human body. The front placket of the coat is also called the front placket, that is, the opening from beginning to end at the front chest of the clothes. The placket is the most striking main part of clothing decoration, which sets off a fashionable and gorgeous appearance with the collar and pocket.