I like your style Crash. I hate chain so I’m thinking about dyneema tubing with a normal dyneema line inside. Put all the weight in the anchor. Should be able to put the load on the tube with a rolling hitch and tie the rode to a normal cleat so if the tube wears thru, the inside line takes the load to the cleat. You could even alarm the bight. The low stretch and abrasion resistance might survive well in coral anyway, but this would be a safe way to test it. Anybody worn out a dyneema rode? The guy in Palau who installs moorings says that the less metal you put in the water, the better.