“As iron sharpens iron” is the motto at CrossFit Wingman in Agawam, Mass. Co-owner Aaron Zanchi believes this is why the gym is one of a kind — not only do you become fit, but you also build friendships with people from all walks of life. CrossFit Wingman promotes a culture of encouragement in which members push each other harder to get in just one more rep. Producer Alejandro Cameron brings the story.