padawan braid
in the epic movie series star wars jedi apprentice grew 1 sing braid of hair to symbolize their rank as an padawan. once a padawan's training was complete his master or a member of the jedi council would chop it off with their lightsaber symbolizing the completion of his training.
master: your training is complete.
(chops off padawan braid with lightsaber)
Padawan: thank u master
(chops off padawan braid with lightsaber)
Padawan: thank u master