Practicing Our Fly Casting Accuracy in our yards

Fly casting accuracy is probably the most important aspect of fly casting. We can't practice enough. Here's a simple drill to practice our casting.
NOTE: this is my second upload of this video as the first one was blocked by a bogus copyright claim on the royalty free music I was using, for which I had purchased a license. In future, all of my videos will feature the sounds of running water in place of music.