Ivan Wong struggled with his camera strap. It would whip through the air when he turned his lens, occasionally flapping into the frame and destroying the composition. It’s a common issue, but for Wong it was more than an annoyance—as a professional sports photographer, he depended on his ability to capture the perfect moment. A wayward strap could kill an entire assignment. Wong talked to some fellow photographers—his brother, Ben, and his friend Anne Bui, a p...