You may be able to score a Free CLIF Nut Butter Bar if the sponsored ad shows up in your Facebook newsfeed. There is not a direct link to this sample since it's targeted but you can try these following tips to increase your chances of getting it. Like the CLIF Bar Facebook page and a few of their most recent posts. Search on Google for CLIF bar, scroll through the results page for a few seconds then close out everything out and open Facebook. Once you see the ad, click the 'Sign Up' button on their Facebook post and fill in the pop-up form to claim yours.