Act like you're going to shoot the ball but instead kick the ball with your standing foot. It's tough to get a lot of power when shooting or kicking with the standing foot, so the pass after the fake will have to be more of a short pass or layoff.
In the video Henry does the trick in a game, where he passes to Robert Pires down the line. This trick can be done if you're going to shoot or pass the ball. Here's a good demonstration video.
This video was done by Gunero10, check out more of his tutorials over at YouTube.