There is a wide selection of flags from all over the world realized in flag pins. Usually Flag Pins are made of metal with an enamel overlay and have with metal backing to hold it in place. There are even flags pins made of precious metals and natural gemstones!  Flag Pins can be used as hat tacks or lapel pins.
Lots of Americans wear little flags as jewelry.  The small metallic symbol of pride glimmering on the manly chests is an excellent indication of patriotism.
The flag pin wearing is a personal choice, just like most other things in this great and democratic country.
There are Friendship Crossed Flag Pins in the reverse grouping of flags: the USA Flag on the left hand side with the United Kingdom flag next to it. Any combination of Flags can be realized!

Flag pins are a wonderful gift to your friends, relatives, colleagues, and followers. Flag pins show that people care about their homeland and that they are proud of their nationality and show their patriotism.
There are a lot of sites where you can order and buy flag pins of different sizes and forms. There even are flag pins made in the form of a heart or a hand. It is very patriotic to wear such a symbol on the lapel of your jacket or on your coat.

Many men and women in America are proud to wear flag pins with American flag on it. It is a statement that they are proud of their country and show it to all others, wearing flag pin on the lapel of the jacket.
This is a very common practice, because each citizen of his country wearing flag pins (with images of flags of their country) show their political beliefs, and even commitment, and friendship with those or other countries.
There are many different flag pins, because of the flag can be embodied as any flag of the world, and there also are a lot of combinations of several flags (crossed flag pins), joined in a single flag pin. This so-calledy flag pins of frienship, set up in order to show the friendship between different countries.

There are a lot of examples of how to wear a flag pin. There are even the rules of the protocol in  the language of diplomacy, which allows you to predict the "degree" of relations between states.
In international practice, there are rules for the use of state flag in the form of the so-called "flag etiquette".
Generally, respect for the national flag from the Americans brought up from childhood. Its honor in America is very well protected by law. Thus, the Code of the United States are prohibited from using the flag for advertising purposes. You may not use flag image on clothing, if it is not a form of military, police and firefighters. Flag pin can only be worn on the left lapel near the heart. Disrespect for the flag, the Americans regarded as a violation of the honor of the nation and state, and entails serious sanctions.
It is very important at official receptions to show the respect for the flag of the country and flags of other states. In order not to cause resentment among foreign guests, all flags should be of the same size.
In some countries, their own flag always takes pride of place, in others the place of honor is given to the national symbols of guest country. The place of honor is to the right of all other flags. If there is a need to set the state flags of several countries, they are usually placed in a line in alphabetical order according to names of countries.

Small flag pins often speak louder than big words. Crossed Flag Pins are symbols of solidarity with a powerful message!