Hairstyles- How To - Two Bantu Knots

These are basically two bantu knots and this hairstyle is from Pure Beauty:
http://www.youtube.com/watch?v=Z6bnE4-lmmA
Here is what I did:
1. Moisturised and sealed hair
2. Divided hair in two, did one bantu knot per section

3. Covered hair with a satin bonnet
4. Woke up undid bantu knots and fluffed
Results:

Unfortunately my kirby grip fell out at the top when I was sleeping :/, so I re did it in the morning and left for a further hour. The result was just basically big, shiny hair. Not really wavy, maybe I need more length for this or more bantu knots.