How to tie up to a mooring
Chaffing becomes a big issue, especially if you''re running a line through the spliced loop. It''s a nice idea that the pull from the rode would balance, but it will eventually saw through the line.
If the pendant with the splice doesn''t work for you, replace it with one (or two) that does.
One other suggestion -- I see many boaters attach their pendant to the top loop of the mooring bouy. There usually is a swivel mechanism inside the bouy, which IS the weakest link in the whole affair. Attach your shackle to the chain on the UNDERSIDE of the bouy -- nice and strong...