Đeo băng đô ở phía trên đỉnh đầu. Đảm bảo băng đô phải vừa vặn.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Position the front of the headband so that it either rests on the top of your forehead or an inch or 2 back on top of your hair. Move the back portion of the headband wherever you want your tuck to be. A popular position is the nape of the neck. It must be both tight enough to stay in place all day and loose enough for hair to be tucked into. Your headband should not slide around at all on your head. You should be able to slide 2 to 3 fingers comfortably underneath the headband. Don't wear a hea