Patagonia's Diaries

The Daily Discussion is CNN Tech's weekly, offbeat look at stories trending on social media. This week, Jarrett ponders the mystery of a multi-tool sticking out of one of his students' legs. Plus, Kuat Racks has just dropped a new rack for mountain bikers: Piston Pro Hitch Rack. And Sephora comes from Patagonia and Athletic Greens.