While you are in F-1 practical training status you may apply for the H-1B work visa. This visa is what 95% of foreign students who wish to work in the U.S. obtain while in F-1 practical training status.
Another variant is the sash, which is a cloth belt designed to hold a robe together. A sash is usually tied about the waist. The Japanese equivalent of a sash, which is used for holding a kimono or yukata together, is called an obi.
Card-Jitsu Belts are clothing items you get as you progress to the ninja status. There are nine different belts to earn and collect. When a penguin gets a Black Belt, they have a chance of beating the Sensei in Card-Jitsu. When they defeat Sensei, they become a ninja. However, not many are ninjas because it takes a long time to get to Black Belt.