I'm not sure, I've found just rotating the bit at the end(I don't know the technical term) can get the sound to work, provided I hold it in place, so I *think* the problem lies with the bit at the end losing connection to what it's plugged into. Or I'm miles off, I don't know :)

I was thinking of trying something like this, or is it just not worth bothering with?    http://www.hificables.co.uk/11040/caig-deoxit-d100l-2ml-squeeze-tube.html

Okay, so I'm only getting sound through one ear of my headphones. If I wiggle the cord about, I can get the sound to either a) remain the same b) cut out completely or c) work properly again. Unfortunately this obviously isn't an ideal way of sorting this problem out, however I thought that with...