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.
Tae kwon do Belt System. The tae kwon do belt system showing rank advancement requires students to wear belts of different colors. Though there are many different styles of tae kwon do but one thing holds true, there is a belt system rank. Most people believe black belt is the pinnacle. Not True!