Easy way of finding Do follow backlinks

Many ways of finding do follow backlinks, i will give my tactic of finding do follow backlinks. First of all download the seo link analysis for Mozilla addon.And then activate and go the yahoo. Later write linkdomain:www.seobook.com and look at seobook’s backlinks you will see black, red,and yellow.Black is do follow, red is no follow, yellow is external do follow. This is easy way, nice tips, use for seo.