Long Distance Throw Line Technique

I saw a video, a few years back, of a man throwing a rescue line 200 feet. Apparently, he could make this distance, with accuracy, consistently. I remember the set up involved a heaving ball and a small ring (like a descending ring). My recollection is that he used the ring to form a bight in the throw line, with the heaving ball as a weight. He spun the rope over his head several times and let it fly.

This might be handy in certain situations, like setting up a Telfer. Unfortunately, I...

Long Distance Throw Line Technique