Yarn is the soul of knitting and crochet. After all, it’s the main ingredient for your creativity. Whether a knitter or crocheter, no one ever will say they have enough yarn. Many times it's the yarn that gets us inspired to cast on projects on the knitting needles or make a chain with your crochet hook.
How to wind a skein of yarn into a ball (with no equipment)
Tutorial: How to Unwind a Skein - Tinking Turtle
How to wind a hank of yarn into a ball
How to wind up a ball of yarn for crochet or knitting - Quora
3 Ways to Wind Yarn for Knitting & Crocheting
How To Wind Yarn Without a Swift or Winder - Qing Fibre
How To Wind Yarn
Turn A Skein To A Ball - Here's How!
How to Wind a Skein of Yarn
Nostepinne Tutorial – Cynthia Wood Spinner
How to Wind a Ball of Yarn Into a Skein or Hank