This item / tutorial is available from the Creators website using link below
Command post is a free utility for FCP X that does, well, a huge number of things and constantly adding more.
If anything about FCP X annoys you or slows workflow, it's quite possible Command Post has a solution. Everything from supporting surfaces for color grading to zooming in and out with the mousewheel. It really is the swiss army chain-saw of FCP X utilities.