fishtail braid

hi guys, look at the picture. she's my friend's hair and the braid is made by me, yesss fishtail braid style. for surely, i love this braid because it's not hard and a few people can make this one. but i wanna share hot to make fishtail braid guys. check it out :
1. divide your hair into two large sections, parting straight down the middle
2. pull a thin strand of hair from the outside of the left section
3. repeat step 2 on the other side (from right section)
4. keep alternating sides, weaving over and under, until you reach the bottom of the braid
5. tie off the end with a hair bobble or elastic
and you got your fishtail braid, a simple way right?