Chopper Chopper Chopper chopper
Several years back, at the HAI there was a machine you could attach to your helis to keep it under control - semi tethered. It would allow you to yaw as required or control it if possible and allow you to hover at about 5 foot as well. Without the chance of rollover or tail rotor strike etc. You seem handy with your hands so a version of your own would seem easy enough to make!
Good luck, and yeah..... film it.
