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Are you asking for suggestions about which bungee cord to purchase?

Well either go self made with something, or get the razer one

You may need a nailfile though if you got a thicker cable, to adjust it to your cable

In case anyone else reading this also had no idea what the OP was talking about because bungee, here's... uh... whatever this thing is.
Never owned one, and don't think I ever would. I've gotten annoyed with cables scraping against the back corner of a desk before, but either I'd pull more of it up onto the desk so that I'd have some slack, or I'd just make sure it was positioned so that it wouldn't scrape against the back edge of the desk anymore.
Granted, I've been mostly wireless for about a decade or so and don't really have any reason to go back.

I've been using this brand-less one for more than 10 years already. The ball and arm are rusted but it still works so who cares.

http://www.modsynergy.com/review16.htm

You should be able to get this cheaper than those with fancy names like Razer.