What is utility linking? It's the process of looking for specialty directories or related websites by searching on established phrases like "submit URL" or "add a site" plus your keywords.
The good people at SoloSEO created a tool that does a lot of the work for you. Insert a keyword, pick an engine and go to town looking for sites to add your link to.
http://www.soloseo.com/tools/linkSearch.html?keyword=
http://www.soloseo.com/tools/linkSearch.html?keyword=
It's time consuming but you'll get a handful of links out of it.
