What does the name iron mean?

Name tag means "name tag, business card, name tag".

Business cards usually show personal name, school name and school badge, and don't pin them on your chest. Many people wearing jk uniforms can wear famous ties.

JK is a Japanese buzzword, which means the uniform of female high school students (じょしこぅせぃぃ). Take J and K in Japanese romaji jyoshikoukousei as an example. There are many kinds of JK uniforms. If you subdivide it, there are many items. Including vest skirt, summer clothes, Chinese clothes, waistcoats, suits, coats, winter clothes, cardigans, sweaters, shirts and so on.