I can be a bit of a brand snob when it comes to audio equipment. Two cassette players, three CD players, various headphones – all Sonys, and I love them dearly*. Therefore, when I acquired a new Sony mp3 player, I couldn’t stand by and let it get scratched.
A few hours later I had this cute thing knitted up using leftover Cascade Fixation. 
I even used the Figure 8 cast on which is quickly becoming a favorite. The pink of the player clashes with the yarn’s pink, but I pretend not to see. :p
My next opportunity to ‘cozy’ something came quickly afterward as the foam covers on my wireless headphones (Sony brand, natch) finally disintegrated. I suppose one could buy replacements somewhere, but it seemed easier to knit some.
Knitty posted a pattern for headphone snugglers some years back, but those are designed to completely cover the earpiece, inside and out. This wouldn’t be any good for a pair of wireless headphones which have switches and sensors that need to stay uncovered. Clearly the best thing to do would be to copy the form of the original foam covers which hug a channel on the inside edge.
A lot of trial and error later, I ended up with this which I’m quite proud of!
Free Pattern: Headphone Cozies
Yarn: Small amount of Cascade Fixation or Elann Esprit
Needles: US5 (3.75mm) double point needles
Size: to fit 2.5″ diameter earpieces of the type photographed above
Note: Substituting a yarn other than Fixation or Esprit is not recommended. Without their elastic content it would be extremely difficult to stretch the cast on edge over the rim and into position.
kfb = knit front back (or substitute your favorite increase)
Cast on 20 stitches. Distribute stitches evenly over needles and join. Place a marker to indicate the beginning of the round.
Round 1: knit
Round 2: *k1, kfb, repeat from * around [30 sts]
Round 3: knit
Round 4: *k2, kfb, repeat from * around [40 sts]
Rounds 5-7: purl
Round 8: knit
Round 9: *k3, k2tog, repeat from * around [32 sts]
Round 10: knit
Round 11: *k2, k2tog, repeat from * around [24 sts]
Round 12: knit
Round 13: *k1, k2tog, repeat from * around [16 sts]
Round 14: knit
Round 15: k2tog around [8 sts]
Cut yarn. Thread yarn end through remaining stitches. Weave in ends.
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*On the other hand, my Sony DVD player turns up its nose if there’s even the slightest scratch or scuff on the disc. I treat my DVDs with care, but the same can’t be said for rental discs. Best stick to Sony’s audio stuff!
love this , i will make a pair i think for my old ones some day, thank you for sharing this and the tute;-D
well done!!!!!