MY SISTER IN LAW COVERED THIS SET OF HEADPHONES WITH CROCHET, THEY ARE COMPLETELY USEABLE & VERY COMFORTABLE AS WELL AS STYLISH.YARN BOMBING HEADPHONES IS A GREAT IDEA & VERY EASY TO DO.I JUST HAD TO POST THIS PICTURE OF RUBY THE KITTEN, SHE IS THE SAME SIZE AS MY BALL OF KNITTING YARN.