Did you know there's a right and a wrong way to wrap your MacBook charger? Curl it up in a ball, and eventually it will break. But wrap it like you see in the picture above, and it's going to last a whole lot longer.
The key to keeping your expensive charger in tip-top shape is the collapsable set of clips on the side of the adaptor. They're not just decorative. Here's how to do the magic MacBook wrap in three step-by-step GIFS:
You might already know this; I did, but I only learned my lesson after tearing not one, but two chargers. This will save you from losing $100 and access to a power source for your laptop. [h/t @jc via @Shealan]