I'm a big fan of the neck cinch. Both for keeping my IEM's tangle-free when stored and for a slightly tighter fit when moving about. Searched around here for quite some time trying to find solutions for adding a neck cinch onto earphones that did not come with one, but never found anything. First tried transplanting a cinch off a broken IEM, however the cable widths were the limiting factor. And then I saw my friend, the cable (zip) tie..
Using the smallest size zip tie I had (I believe it was the 4" length, measures about 1 cm in width), I zipped it onto the cord,tight enough to stay put, but still able to be moved with applied force. I did this part very slowly to make sure the tension was right. Then cut off the end and started burning the cut end to round out the plastic.
Not ideal, but it works. Now I like my IEM's more...
