How to roll an EPIC double-strand yarn ball

My scrap yarn stash looks like this...

But I like to be able to bring my crochet projects with me wherever I go. So, before I start a double-strand scrap yarn project like a beanie or a pillow, I roll up an awesome scrap yarn ball!

Watch the video below for tips on how to roll your own center-pull scrap yarn ball that's portable, easy to use, and creates an awesome, colorful scrap yarn project!

Links mentioned in the video:

Tutorials
How to tie a magic knot 

 Scrap Yarn Beanie

Scrap Yarn Beanie

Patterns
Scrap yarn beanie crochet pattern  
Scrap yarn pillow crochet pattern - coming soon!