very common and is only done if the student has exhibited complete understanding of the material they are being tested on as well as control and maturity. A double promotion is not possible for a student of red belt (2nd Kup) because their instructor is not permitted to grade them for their black belt. Belts ETU uses the following system of belt gradings: 10th Kup - White belt (white signifies innocence, as a student with no previous knowledge of Taekwondo) 9th Kup - White belt with yellow tag 8th Kup - Yellow belt (yellow signifies earth, from which the metaphorical plant sprouts forth and takes root as the foundations of Taekwondo are laid) 7th Kup - Yellow belt with green tag 6th Kup - Green belt (green signifies the plant's growth as skills are developed) 5th Kup - Green belt with blue tag 4th Kup - Blue belt (blue signifies heaven, towards which the plant is growing as training progresses) 3rd Kup - Blue belt with red tag 2nd Kup - Red belt (red signifies danger, cautioning the student to exercise control and warning opponents) 1st Kup - Red belt with black tag 1st Dan - Black belt (black is opposite to white and signifies maturity and proficiency in taekwondo) References External links National members of World Taekwondo Taekwondo