The Padawan braid was a symbol worn in the hair or head that marked the rank of a Jedi Padawan. When a Padawan was declared a Jedi Knight after passing the trials, the braid was shed. If a Padawan was instead expelled from the Order, the braid was ripped off, as what happened to Ahsoka Tano.
The braid was composed of a long strand of intricately woven hair typically worn across the right shoulder. In the case of Padawans who were of a non-human species, alternatives such as silka beads were worn instead.