This is really easy and quick. This fits my 4 year old with a little room for stretching, 20 1/2 inch head, but is easily adjustable by either changing hook size or adding increase rows

Here is the German translation

Thank you Melanie!

http://nomimikry.blogspot.com/2010/08/olivias-butterfly-f...

French translation
http://aufildesenvies.blogspot.com/2009/11/modele-gratuit...

Italian Translation
http://martaknitting.blogspot.it/2012/06/olivas-butterfly...