Shorten your affiliate links and track them too. When you shorten your lengthy and revealing affilaite links using bit.ly, you not only get a real sweet and short URL plus it is also cloaked thus hiding your true URL. In other words, it is a link that is cloaked.
Bit.ly also tracks the clicks on your shortened links and gives you a basic performance reprt.
I have been using bit.ly since lats 4 months. I am giving below the screenshot of my bit.ly analytical report of my links' performance.