When you’re running at least two extension cords to power something, a rough tug on the line can easily separate them. A carefully placed carabiner fixes that.
If you want to add a little personality to your headphones and keep the cables from twisting and tangling, the answer may be as close as your local craft store. All you need are some beads in a colour you wouldn’t mind wearing, and you have a ticket to snag-free…
You can buy all kinds of different products to help you tame cable clutter under your desk, but it’s just as easy to make something for yourself. I tamed mine using the metal rings from a broken three-ring binder.