NAB 2011: O’Connor O-Grips, follow focus, O-Box WM mattebox Posted by Tony Reale | Apr 15, 2011 | Archived Content, Blog | 0 | O’Connor shows off their O-Grips, follow focus with glow in the dark marking disks and O-Box WM mattebox which is virtually indestructible. Our sponsors who made our NAB 2011 coverage possible: [adrotate block=”3″]