I was looking for something else (surprise) when I got distracted and found this in the rabbit hole.

https://youtu.be/SahVAAQHAzQ?si=zdpchA8ymCp27Mq2

Has anyone else seen one of these? Or tried/used one? The concept looks sound, but I am a little skeptical that it's actually as easy as this. I have seen plenty of people put retrieval lines on their anchors, or buoy their anchor lines in protected areas, but this seems a little too ...