Sock surgery: the art of surgically separating socks from their pairs, all for the sake of comfort and individuality. It's a delicate process, really. You see, socks are like relationships: they start out all lovey-dovey, but eventually, you just can't stand each other's itchy, sweaty company.
First, you'll need to carefully extract the sock in question, making sure not to damage the delicate fabric of your relationship (or your other sock). This is where the real work begins.
Next: The Sock RehabilitationOr, if you're feeling adventurous:
Sock Necromancy: the Dark Art of Sock Manipulation