Basically its a free add on toolbar that populates all the coupons so when you go to your desired site the deals are already added on for you in the checkout. No need to cut an paste! Such a time saver. Below are some examples of how it works. Go get yourself some money back!
http://www.befrugal.com/addon/ for free download. There’s a helpful video that tells you all about in in 90 seconds and here’s how it works: