I should have done this a long time ago, but I only had wool yarn on hand. This bamboo sock yarn is perfect for the purpose. And it doesn't matter if my dyed hair stains them pink!

I have half a mind to decorate the top of the headphones with the same yarn, but I don't know what motif... My embroidery skills are limited. Anyone have ideas? #visiblemending #repaircafe

@Tryllesokker This is so cool! Was it hard to do?
@Sagaliciouzzz Not at all, but I'm also used to sewing and other crafty things. If it's new territory for you, you'll need a sharp embroidery needle (so the eye is big enough to fit yarn through) and take your time with it, but it's absolutely doable.
@Tryllesokker Thank you for the material recommendation! Sewing is not my speciality, nor is it something I do regularly, but I did get quite good grades in it in school.