More to explore:
BIG curls from twisted buns (see last Instagram photo) #hair
by ...love Maegan on Flickr
No Heat Curls
Sock bun curls
Hair tutorial. How to get your hair to look like this from a somewhat simple up-do and NO heat!
How To: Big Curls by sleeping with tiny buns in your hair
Stop damaging your hair with heat! No Heat Curls – Secret Hair Styling Technique to Get Big Curls without a Curling Iron
How to curl your hair without heat
7 ways to curl your hair without heat.
Awesome youtube tutorial on how to get vintage style curls without heat...