Forget the "Curly Theory" and you'll get pie in your face, knucklehead

Three Stooges
Here is how Eric Ward defines his "Curly Theory" of link building:

No matter how narrow the vertical, somebody somewhere cares about it, writes about it, links to it, and you'd darn sure better recognize and respect those editorial passions before you go asking for a link to something that may look like a match, but isn't.
(Photo from here and click through if you've ever wondered about the use of the Three Stooges for teaching statistics)