How long does your hair need to be to get cornroll or braids?

if you go to a good place like a black peoples beauty salon they can roll hair that is 1/4" long they are amazing!

How long does your hair need to be to get cornroll or braids?

* French Braid-

http://homebeautytips.blogspot.com/2006/...

* Cornrows-

http://homebeautytips.blogspot.com/2006/...

* African-ethnic hairstyle-

http://homebeautytips.blogspot.com/2006/...