Pac-12 Networks' Ashley Adamson talks with USC team doctor and UCLA instructor Dr. Lawrence Fung about how his practice has changed during the ongoing COVID-19 crisis. He has used 3D printers to produce masks, face shields and test swabs for those on the frontlines. Follow along in the coming weeks as “Pac-12 Unlocked" showcases exclusive video content filmed by Pac-12 student-athletes, coaches and administrators during the global pandemic.